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1. .......Is chemical used for killing insects.
A. Pollution B. Dynamite B. Pesticide D. deforestation
2. They are trying on save the animals......extinction.
A. on B. to C. from D. for
3. The air in the country is .........fresher and purrer than in the city
A. extreme B. actually C. kindly D. until
4. ........air is one of the many problems we have to solve
A. Pure B, Pollution C. Dust D. Pleasant.
5. I'm disappointed......people have spoiled his area.
A. that B. when B. if D. with
6. We couldn't go on a picnic as planned.....it was raining hard
A. although B. but C. because D. so
7. We can eat at home or,........you prefer, we can go to a restaurant.
A. When B. whether C. if D. unless.
8. Because plastic bags are very hard to......They will cause ollution.
A. dissolve B. wrap C. tear D. unless.
9. I think we should.....lazy students from throwing trash.
A. ticket B. attenntion C. fee D. Fine
10. Our flight from Amsterdam to London was delayed......he heavy fog.
A. because of B. in spite of C. because . though.
11. The wall is covered.......posters advertusing a few films.
A. in B. forward. C. because D. though
12. This river is polluted, a lot of fish died and floated on the......
A. water line B. water face C. water front D. water surface.
13. We stayed at home it.......was raining heavily.
A. since B. and C. but D. so
14. If they......students, they must wear uniform.
A. were B. had C. are D. was.
1. If you go ___ doing that and you'll end ____ in serious trouble.
A.on - with. B.on - up. C.off - with. D.out - up
2. They arr trying to save the animals ____ extinction.
A.on. B.to. C.from. D.for
3. They didn't see each other again ___ the fall.
A.since. B.in. C.from. D.until
4.____ari is one of the many problems we have to solve
A.pure. B.polluted. C.fresh. D.pleasant
5. People have ___ this beach with a lot of trash
A.spoiled. B.cleaned. C.collected. D.pleasant
6. He got a ____ for parking on douple yellow lines.
A.fee. B.ticket. C.fine. D.token
7. By sticking labels over the address you can ___envelopes
A.recycle. B.reduce. C.reuse. D.return
8. Because placstic bags are very hard to ____, they will cause pollution.
A.dissolve. B.wrap. C.tear. D.collect
9. These materials can be ___into other packaging products.
A.reused. B.reduced. C.removed. D.recycled
10. Crops are sprayed with ___ to kill insects.
A. Fertilizer. B.manune. C.dung. D.pesticide
11. If people ___ public transport, there will be less pollution.
A.use. B.will use. C.can use. D.used
12. ___we miss the last bus , we will have to walk home
A.as. B.when. C.if. D.unless
1. ______ ari is one of the many problems we have to solve
A. Pure B. Polluted C. Dust D. Pleasant
2. I'll be in trouble if I ______ my passport.
A. lose B. will lose C. lost D. would lose
3. We can eat at home or, ________ you prefer, we can go to a restaurant.
A. when B. whether C. if D. which4. If it is raining this evening, I_________.A. will go out B. don’t go out C. go out D. won’t go out5. Minh’s English is excellent. He speaks________.A. perfectly English B. English perfectlyC. perfect English D.English perfect6. I’m disappointed _________ people have spoiled this area.A that B. when C. if D. how7. He ________ to find a job but he had no luck.A. hardly tried B. hard tried C. tried hardly D. tried hard8. We couldn’t go on a picnic as planned __________ it was raining.A. however B. but C. because D. so9. If he ________ hard today, can he have a holiday tomorrow?A. works B. will work C. worked D. would work10. ________we were tired, we sat down beside the stream.A. Because of B. If C. As D. And11. He _________to find a job, but he had no luck.A. tried hard B. hardly tried C. tried hardly D. try hardly12. Solar energy doesn’t cause __________.A. pollution B. polluted C. pollute D. pollutant13. Are you lookingh forward ___________ my letter ?A. to see B. to seeing C. saw D. seeing1. ______ air is one of the many problems we have to solve
A. Pure B. Polluted C. Dust D. Pleasant
2. I'll be in trouble if I ______ my passport.
A. lose B. will lose C. lost D. would lose
3. We can eat at home or, ________ you prefer, we can go to a restaurant.
A. when B. whether C. if D. which
4. If it is raining this evening, I_________.
A. will go out B. don’t go out C. go out D. won’t go out
5. Minh’s English is excellent. He speaks________.
A. perfectly English B. English perfectly
C. perfect English D.English perfect
6. I’m disappointed _________ people have spoiled this area.
A that B. when C. if D. how
7. He ________ to find a job but he had no luck.
A. hardly tried B. hard tried C. tried hardly D. tried hard
8. We couldn’t go on a picnic as planned __________ it was raining.
A. however B. but C. because D. so
9. If he ________ hard today, can he have a holiday tomorrow?
A. works B. will work C. worked D. would work
10. ________we were tired, we sat down beside the stream.
A. Because of B. If C. As D. And
11. He _________to find a job, but he had no luck.
A. tried hard B. hardly tried C. tried hardly D. try hardly
12. Solar energy doesn’t cause __________.
A. pollution B. polluted C. pollute D. pollutant
13. Are you lookingh forward ___________ my letter ?
A. to see B. to seeing C. saw D. seeing
Bài tập trắc nghiệm Tiếng Anh lớp 9 Unit 6 The Environment
I. From each number, pick out the word whose underlined part is pronounced differently from the others.
1. A. happy B. hour C. high D. hotel
2. A. so B. coat C. note D. bottom
3. A. put B. luck C. lung D. drunk
4. A. bare B. car C. card D. farm
5. A. come B. love C. women D. some
6. A. many B. make C. fate D. pain
7. A. heat B. sweat C. threat D. thread
8. A. climb B. dictionary C. economic D. six
9. A. beg B. age C. gather D. guess
10. A. children B. choose C. child D. mechanic
II. From each number, pick out one word which has the stress on the first syllable.
1. A. garbage B. junkyard C. protect D. treasure
2. A. collected B. published C. protected D. provided
3. A. recycle B. refreshment C. creatures D. reuse
4. A. limitation B. intermediate C. desforestation D. disappointed
5. A. garbage B. problem C. solution D. sewage
III. Choose the word or the phrase or sentence that best completes each unfinished sentence below or that best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase.
1. _________ air is one of the many problems we have to solve.
A. Pure B. Polluted C. Dust D. Pleasant
2. I’ll be in trouble if I _________my passport.
A. lose B. will lose C. lost D. would lose
3. We can eat at home or, ________ you prefer, we can go to a restaurant.
A. when B. whether C. if D. which
4. If it is raining this evening, I_________.
A. will go out B. don’t go out C. go out D. won’t go out
5. Minh’s English is excellent. He speaks________.
A. perfectly English B. English perfectly C. perfect English D. English perfect
6. I’m disappointed _________ people have spoiled this area.
A that B. when C. if D. how
7. He ________ to find a job but he had no luck.
A. hardly tried B. hard tried C. tried hardly D. tried hard
8. We couldn’t go on a picnic as planned __________ it was raining.
A. however B. but C. because D. so
9. If he ________ hard today, can he have a holiday tomorrow?
A. works B. will work C. worked D. would work
10. ________we were tired, we sat down beside the stream.
A. Because of B. If C. As D. And
11.He _________to find a job, but he had no luck.
A. tried hard B. hardly tried C. tried hardly D. try hardly
12. Solar energy doesn’t cause __________.
A. pollution B. polluted C. pollute D. pollutant
13. Are you lookingh forward ___________ my letter?
A. to see B. to seeing C. saw D. seeing
14. "___________” means a piece of land full of rubbish.
A. junkyard B. treasure C. hedge D. stream
15. Dynamite _________ many years ago.
A. has invented B. invented C. was invented D. were invented
16. Mary said to me "can you speak English?” In reported speech the sentence will be She asked me _________
A. if I can speak English B. if I could speak English. C. If can I speak English D. If I could speak English?
17. I live very far from school. I wish________
A. I lived far from school. B. I lived close to school. C. I live near the school now. D. I don’t live very far from school
18. If he __________ hard today, can he have a holiday tomorrow?
A. works B. will work C. worked D. would worked
19. Because there _________ no buses, we had to take a taxi.
A. are B. is C. was D. were
20. We plan to ________ this Saturday.
A. go hiked B. go hiking C. go to hike D. go hike
21. I’ll have to buy a map _________ I don’t know this area.
A. if B. because C. when D. because of
22. It is recommended that he __________ this course.
A. took B. take C. take D. taking
23. He’s running so fast. I __________ catch up with him.
A. cannot hardly B. can hardly C. not hardly
24. It is important that he _________ take the final examination.
A. has to B. have to C. had to D. having to
25. I will be __________if she manages to sell that motorbike at a high price.
A. surprised B. surprise C. surprising . D. to surprise
26. Unless you understand. I __________. explain it again to you
A. am B. was C. will. D. would
27. If you know where she lives, please let me__________
A. know B. knew C. known D. to know'
28. If he ______ a student, he will get a discount.
A. were B. was C. were D. will be
29. ______ you are interested in this film, don't go to see it at any cost. A. Unless B. If C. Because D. So
30. If you like that book. l will give it______you as my present.
A. to B. from C. at D. for
31. If you are busy, we ________ this by ourselves.
A. will do B. did C. would do D. doing
32. How about ______ dinner with us on Sunday?
A. to have B. have C. have had D. having
33. My brother is very fond of ______ to pop and rock music.
A. listen B. to listen C. listening D. listens
34. Life today is very different ______ life 50 years ago.
A. to B. from C. with D. at
35. My uncle is a ______. He often does research in his laboratory.
A. science B. scientist C. scientific D. scientists
36. My father arrives in Singapore ______Monday evening.
A. in B. at C. from D. on
37. John goes to his office every day except Sunday. ______ Sundays he stays at home.
A. On B. At C. In D. From
38. I hope the weather will be nice ______ the weekend.
A. in B. to C. at D. between
39. Would you like ______ to a party on Saturday?
A. come B. coming C. to come D. will come
40. Helen is always in the kitchen. She enjoys ______.
A. cook B. to cook C. cooks D. cooking
41. People wanted to see the opening of the ceremony, _____they started leaving very early in the morning
A. because B. so C. but D. and
42. Vietnamese women prefer to wear modern clothing ______ work. A. at B. in C. to D. with
43. He ______ with friends in an apartment in HCMC since last week. A. living B. has lived C. lived D. live
44. My mother said she ______ busy then
A. was B. is C. is being D. being
45. My village lies near the ______ of the mountain and by the river.
A. leg B. foot C. feet D. legs
46. If you don’t study hard , you ______ the exam.
A. failed B. will fail C. fail D. have failed
47. It is Saturday , ______?
A. is it B. it isn’t C. isn’t it D. wasn’t it
48. She said that she ______ learning English with you.
A. like B. liked C. liking D. to like
49. They ______ their home village last Sunday.
A. visit B. visited C. was visiting D. were visiting
50. He was born ______ March 25 , 1992.
A. at B. on C. in D. for
II. Match a line in column A with a line in column B to make a meaningful
A B
1. If people use public transport,
a. I can’t sleep.
2. You’ll learn English more easily
b. will you give her flowers?
3. If they don’t give him the job,
c. if he does exercise regularly.
4. If I drink coffee at night,
d. I don’t know what he will do.
5. You will speak English well
e. there will be less pollution
6. If you see her
f. if someone enters the building.
7. The alarm goes off
g. if you have more practice.
8. Henry may lose weight
h. if you study a little every day.
1. __e__; 2. __h_; 3. __d__; 4. __a__; 5. _g___; 6. _b___; 7. _f___; 8. _c___.
III. Complete the sentences with because/ as/ since/ if/ when, or so.
1. We decided to go out to eat ___because____ we had no food at home.
2. He has a very important job __so_____ he is particularly well-paid.
3. Can I borrow that book ___when ____ you’ve finished it?
4. No one was watching the television ___when____ I switched it off. 5. ___Because____ she changed a lot, we didn’t recognize her.
6. ___If____ you’ve ready, we can start now.
7. I’m going away for a few days, I’ll phone you ___when____ I get back.
8. You should inform the police ___if____ your bicycle is stolen.
9. Mathew went to bed _because___ it was too late to go out.
10. ___If____ you drive without driving license, you’re breaking the law.
11. ___Because____the weather was bad, they delayed their trip.
12.He will buy a new car ____if___ he saves up.
13.I can’t drive fast ___as____ the street is very crowded.
Fill in the blanks with proper words, then answer the following questions.
scientists/ pollution/ serious/ factories exhaust/ reduce/ require/ percentage
Everyone wants to reduce (1) __pollution_____. But the pollution problem is as complicated as it is (2) __serious_____. It is complicated because much pollution is caused by things that benefit people. For example, (3) ___exhaust____ from automobile caused large (4) ___percentage____ of air pollution. But the automobile provides transportation to millions of people. (5) __Factories_____ discharge much of the material that pollutes air and water, but factories give employment to a large number of people. Thus, to end or greatly (6) ___reduce____ pollutions immediately, people would have to stop using many things that benefit them. Most people do not want to do that, of course. But pollution can be gradually reduces in several ways, (7) __Scientists_____ and engineers can work to find ways t lessen the amount of pollution that such things as automobiles and factories cause. Government can pass and enforce laws that (8) __require_____ businesses and individuals to stop, or cut down on certain polluting activities.
Chúc bạn học tốt !!!
1. ... Air is one of the many problems we have to solve.
A. Pollute
B. Polluted
C. Polluting
D. Pollution
2. If you want to save money, you should ... the amount of water your family uses.
A. Increase
B. Reuse
C. Reduce
D. Repair
3. These materials can be ... into another packaging products.
A. Recycled
B. Reduced
C. Reused
D. Removed
4. Crops are sprayed with ... to kill insects.
A. Fertilizer
B. Pesticide
C. Water
D. Dynamite
5. Because plastic bags are very hard to ... they will cause pollution.
A. Wrap
B. Collect
C. Litter
D. Dissolve
6. What are you looking ... ? - My picture book. I've lost it.
A. On
B. Off
C. After
D. For
7. The roof ... under the weight of snow last night. (??)
A. Hurricane
B. Earthquake
8. We are going to ... the anniversary for our 50th wedding.
A. To celebrate
B. Celebrated
C. Celebrating
D. Celebrate
I/ SENTENCE TRANSFORMATION
1. Hoa is a hard worker
Hoa _____WORKS HARD________
2. Beckam is a fast runner
Beckam ____RUNS FAST____________
3. Mrs Quyen types carefully
Mrs Quyen is _____A CAREFUL TYPIST_______
1. She dances ballet perfectly.
à She is a ___PERFECT BALLET DANCER________
2. My mother cooks well.
My mother is a ___GOOD COOK_____
3. He plays tennis regularly.
He is a____REGULAR TENNIS PLAYER____
4. She studies hard
She is_____A HARD STUDENT_______________
5. Nam and Lan sing very badly
Nam and Lan ____ARE BAD SINGERS______
10. They actively participate in the program
They are _____ACTIVE PARTICIPANTS OF THE PROGRAM______
11. Mary is a quite slow cyclist
Mary ___CYCLES QUITE SLOWLY__
12.Tuan learns math very badly
Tuan is very____BAD AT LEARNING MATH__
13.Be careful or you will fall over the rock.
If you ________AREN'T CAREFUL, YOU WILL FALL OVER THE ROCK_____
14.Chris will get a good job, but he has to improve his English
If Chris ____CAN IMPROVE HIS ENGLISH, HE WILL GET A GOOD JOB_____
15.We couldn’t go to school because there was Tembin storm on that day
As __THERE WAS TEMBIN STORM ON THAT DAY, WE COULDN'T GO TO SCHOOL________
16. It is too cold , so I can’t get to sleep
Since ___IT IS TOO COLD, I CAN'T GET TO SLEEP______
17. We could do nothing because of the heavy storm on that day
There was____A HEAVY STORM ON THAT DAY AS WE COULD DO NOTHING___
18. I am sorry to break your bike
I am sorry that _YOUR BIKE WAS BROKEN__
19. People have spoiled the area . We feel disappointed about that
We feel disappointed ____THAT THE AREA HAS BEEN SPOILED______
20. We will have a week holiday . We are excited about it
We are excited ___AS WE WILL HAVE A WEEK HOLIDAY_______
II/ WORD FORM
1. Can I make a _____SUGGESTION_______ ? ( suggest )
2. I failed the exam . I worked hard for it ,so I ‘m so _____DISAPPOINTED__ (disappoint )
3. We should try our best to solve the ENVIRONMENTAL problem (environment)
4. Air POLLUTION is a big problem. (pollute)
5. This part of the Saigon river is very POLLUTED . (pollute)
6. ___ENVIRONMENTALISTS__ are trying to look for the solution to the ____ENVIRONMENTAL_____ pollution ( environment)
7. These vegetables are ____POISONOUS___ (poison ) ; they are _______INEDIBLE______ (edible )
8. We are trying to have a(n) ____UNPOLLUTED____ world. (pollute)
9. Don’t pump_____SEWAGE__ into seas and rivers or it will pollute them. (sew)
10. We shouldn’t litter to keep our area ____UNPOLLUTED____ ( pollute )
11. ______DEFORESTATION_____ is now a serious problem in many countries. (forest)
12. Going to school or to work by bike is one of the measures to keep the air____UNPOLLUTED___.( pollute )
13. It is ____DISAPPOINTING__ that our environment is more and more polluted. (disappoint)
14. Don’t throw away___USED___ bottles, papers, and glass. Take them to recycling centers.(use)
15. If we keep on ........POLLUTING...... the air, more people will suffer from respiratory diseases. (pollution )
16. If it doesn't rain soon, there'll be a great ......SHORTAGE........of water. (short)
17. We can protect the environment: by ..........REDUCING.......... air pollution. (reduce)
18. She was .......EXTREMELY......pleased that she passed the exam. (extreme)
19. He is one of the most famous .......ENVIRONMENTALISTS.............in the world. (environment )
20. You can’t drink water from that well because it is __UNPURIFIED__. (pure )
III/ MULTIPLE CHOICE:
1. ( Pure / Polluted / Dust) air is one of the many problems we have to solve.
2. (Forest / Deforestation / Dynamite) is one of the causes of flood.
3. Putting the garbage bin around the schoolyard prevents the lazy students (at / about / from) throwing the garbage.
4. He (will be / is / will) wet if he goes out.
5. If I (lose / will lose / lost) my passport, I'll be in trouble.
6. He is working (hardly / good / hard).
7. What about ( go / going / to go) for a ride?
8. Because plastic bags are hard to ( wrap / collect / dissolve), they will cause pollution.
9. If you (meet / will meet / met) Jones, ask him to come to see me.
10. If it is raining this evening, I (don’t go out / won’t go out / go out).
11. He is a (skillful / skillfully / well) worker.
12. ( Pesticides / Dynamite / Treasure ) are used to kill insects and weeds so as to help crops grow better
13. When the trucks leave the place, the ground is covered ( to / by / with ) trash.
14. We can protect our environment and save a lot of money by buying ( used / second-hand / recycled / recycling ) products
15. I failed the exam . I worked very hard for it . I’m so _________( disappointed / disappointing / disappointment )
16. _______ the pollution in that river is awfully bad, the water is not fit to drink.
A. Because of B. Since C. When D. If
17. He shouted and looked _______at me when I broke the vase.
A. angry B. angrier C. angrily D. more angry
18. We are talking about the preservation of _______ resources.
A. natural B. nature C. naturally D. naturalize
19. I won’t go unless you _______me the money back.
A. don’t pay B. paid C. will pay D. pay
20. _______you are interested in this film, don’t go to see it at any cost.
A. Because B. If C. Unless D. So
V/ REARRANGE SENTENCES :
1. the local authorities / and fine heavily / I would suggest / of catching fish / should prohibit / anyone using this way
__I would suggest the local authorities should prohibit and fine heavily anyone using this way of catching fish_______
2. to reduce garbage / and recycle things / I think the best way / is to reuse.
____I think the best way to reduce garbage is to reuse and recycle things ______
3. From your company / to hearing / I look forward / from you and / seeing good response
__ I look forward to hearing from you and seeing good response from your company_______
4. For us, but we / Mrs Smith has/ the whole area / provided a picnic lunch / is clean / won’t eat until /kindly
___Mrs. Smith has kindly provided a picnic lunch for us, but we won't eat until the whole area is clean________
5. making posters / around our school / on energy saving / how about / and hanging them / ?
__How about making posters on energy saving and hanging them around our school?______
A. Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence. the
1. If there is a mechanical problem, we suggest the manufacturer directly.
a, contact b. to contact ontacting d. be contacted
2. no battery could store................. to turn over a car's engine.
d. more energy a. much energy b. energy enough c. enough makes d. would come
3. The cost of solar power needs................ before it on makes an impact on the energy market.
a. fall b. to fall c. falling d .to be fallen
4. Don't forget to bring my dictionary when you............back tomorrow
b. will come c. are coming a. come d would come
5. Study harder.................
a. if you will fail the exam b. and you will fail the exam c. unless you' will fail the exam d. or you will fail the exam
6. They have to clean the whole area before dark,.............?
d. haven't they a. do they b. don't they c. have they
7. My car isn't very reliable. It keeps ...........
a. break down b. on break down d. to break down c. on breaking down
8. If we............... less paper, we............ trees in the forest.
b. will use. can save d. use/ can save a. used/ will save c. can use/ save
9. There's always litter here. No one ever............
c. pick up d. pick it a. pick up it b. pick it up
10. 'Should I begin typing these letters?' 'I suggest ...............the bookkeeping first.'
a .you finished b. you to finish c. you finish d. you will finish
I. 1...................you are interested in this film, don't go to see it at any cost. A.if B. Unless C. Because D. So 6. If you like that book, I will give it .................you as my present D. to A. for B. from C. at 7. If you live in this small town, you................earn much money
A. aren' B. couldn't C. can't D. didn't 8. If you have .....................money, you can travel abroad this summer D. a lots A. a lot of B. many C. lot of 9. If you are a student, you can get a discount .....................books A. on B. in C. at D. for 10. I won't go unless you ..............me the money back A. to pay B. paid C. paying D. pay II. simply -dirt-health- importance-quick-poison We are all destroying the earth. The seas and rivers are too (1).....dirt..............to swim in. There is so much smoke in the air that it is (2).................. to live in many of the world's cities. In one well-known city, for example, (3)........poison...... gases from cars poilute the air so much that policemen have to wear oxygen masks. We have cut down so many trees that there are now vast areas of wasteland all over the world. As a result, famers in parts of Africa can not grow enough to tat. in certain countrics in Asia there is so little rice. Moreover, we take enough care of the countryside. Wild animals are (4).....quick........ disappearing. For instance, igers are rare in India now because we have killed too many for them to survive. However, it isn't so (5) .....importance...........to talk about the problem. We must act now before it is too late to do anything about it. Join us now Save the Earth. This is too (6)......simply....... to ignore
I. 1...................you are interested in this film, don't go to see it at any cost.
A.if B. Unless C. Because D. So
6. If you like that book, I will give it .................you as my present
D. to A. for B. from C. at
7. If you live in this small town, you................earn much money
A. aren' B. couldn't C. can't D. didn't
8. If you have .....................money, you can travel abroad this summer
D. a lots A. a lot of B. many C. lot of
9. If you are a student, you can get a discount .....................books
A. on B. in C. at D. for
10. I won't go unless you ..............me the money back
A. to pay B. paid C. paying D. pay
II. simply --health- importance-quick-poison
We are all destroying the earth. The seas and rivers are too (1).........dirty..........to swim in. There is so much smoke in the air that it is (2).........unhealthy......... to live in many of the world's cities. In one well-known city, for example, (3)...... poisonous ........ gases from cars poilute the air so much that policemen have to wear oxygen masks. We have cut down so many trees that there are now vast areas of wasteland all over the world. As a result, famers in parts of Africa can not grow enough to tat. in certain countrics in Asia there is so little rice. Moreover, we take enough care of the countryside. Wild animals are (4).....quickly........ disappearing. For instance, igers are rare in India now because we have killed too many for them to survive. However, it isn't so (5) .....simply...........to talk about the problem. We must act now before it is too late to do anything about it. Join us now Save the Earth. This is too (6)......important....... to ignore
Choose the word or phrase that best fits the blank space in each sentence. 1. If you go__doing that and you'll end______in serious trouble.
a. up/ with b. on/ up c. off /with
2. They are trying to save the animals_______ extinction.
c. from a. on d. for b.to
3. They didn't see each other again _________the fall.
c. from a. since b. in d.unit
4._________ air is one of the many problems we have to solve.
a. Pure b. Polluted c. Dust d. Pleasant
5. I'm disappointed ___________people have spoiled this area
. a. that b.when c.if d.with
6. We couldn't go on a picnic as planned ___________it was raining hard
b. but a. although c. because d.so
7. We can eat at home or, ____________you prefer, we can go to a restaurant.
b. whether a. when c. if d. unless
8. Because plastic bags are very hard to_______. They will cause pollution.
a. dissolve c.tear d. collect b. wrap
9. These materials can be_______ into other packaging products.
d. recycled a. reused b.reduced c. removed
10. Crops are sprayed with_________ to kill insects
a. fertilizer. b. manune c. dung d. pesticede
1. b (go on: tiếp tục - end up: kết thúc)