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Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~
Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she
2.If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
3.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
4.If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
5.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains
6.But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
7.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had
8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know C. had been / would have known D. was / would know
9.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
10.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
V Choose the best answer (A, B, C or D).
1.………….. loss can be caused by noise pollution.
A. soundB. hearingC. listeningD. audio
2.Ships spill oil in oceans and rivers. This leads ………….. the death of many aquatic animals and plants.
A. toB. inC. fromD. at
3.Households pollute water sources by ………….. waste into ponds, lakes, and rivers.
A. damagingB. dumpingC. losingD. leading
4.This month’s electricity bill is too high ………….. the air conditioner is turned on all the time.
A. sinceB. due toC. althoughD. because of
5.The government has come ………….. a solution to the water problems of the city.
A. up toB. up withC. to withD. on to
6.All the aquatic plants and animals will die if the factory ………….. dumping poison into the lake.
A. will keepB. to keepC. keptD. keeps
7.A lot of fish has died recently because of the ………….. water in this lake.
A. contaminatingB. contaminatedC. contaminateD. contaminant
8.If the air was clean, we ………….. have to wear masks when going out.
A. wouldn’B. won’tC. wouldD. will
9.If I ………….. you, I ………….. water from that dirty tap.
A. am - will drinkB. am - won’t drink
C. were - would drinkD. were - wouldn’t drink
10.If he ………….. trash around his garden, the garden would look very nice now.
A. will throwB. would throwC. didn’t throwD. doesn’t throw
VI Put the verbs into the correct forms.
1.If people (be) …… were…………. fully aware of the dangers of air pollution, they (damage) …… wouldn't…………. the atmosphere this way.
2.If I (be) ……… were………. you, I (turn) ……… would turn………. the volume down for him to sleep.
3.We (not be) ……… will not be ………. able to drink that water if it is not refined.
4.If you (reduce) ……… reduced………. the number of bulbs in your house, you (pay) ……… would pay………. less money for the electricity bill next month.
5.If many animals and plants die, it (unbalance) ……… will unbalance………. our ecosystem.
Không chắc
Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless
5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.
Choose the best answer for each of the following sentences.
1. In my experiments, the liquid is cooled to 32oF. It always freezes.
A. If you cool the liquid to 32 degrees, it froze.
B. If you cooled the liquid to 32 degrees, it would freeze.
C. If you cool the liquid to 32 degrees, it will freeze.
D. If you had cooled the liquid to 32 degrees, it would have frozen.
2. It may rain this afternoon. I hope it doesn't because I don't want the match to be cancelled.
A. If it rains, the match is cancelled.
B. If it rains, the match will be cancelled.
C. If it rained, the match would be cancelled.
D. If it had rained, the match would have been cancelled.
3. Unfortunately, I don't know Philosophy, so I can't answer your question.
A. If I know Philosophy, I can answer your question.
B. If I know Philosophy, I will be able to answer your question.
C. If I knew Philosophy, I would be able to answer your question.
D. If I had known Philosophy, I would have been able to answer your question.
4. ______ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case
5. If he ______ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy
B. was / will enjoy
C. has been / would enjoy
D. were / could enjoy
6. If they had searched more carefully, they _____ the watch sooner.
A. will find
B. would find
C. found
D. would have found
7. If I had got up early, I _______ to have breakfast now.
A. have
B. had
C. would have
D. would have had
8. I cannot buy a new computer ____ I save enough money.
A. if
B. even if
C. unless
D. as if
9. Most people you meet will be polite to you ______ .
A. if you are polite to them
B. if you will be polite to them
C. unless you are polite to them
D. if you were polite to them
10. If you do so, it _____ the matter worse.
A. makes only
B. would only make
C. will only make
D. had only made
11. You ______ English fluently unless you practice it every day.
A. will speak
B. will not speak
C. can speak
D. did not speak
12. Hurry up ______ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as
13. You will get a good seat if you ______ first.
A. come
B. came
C. have come
D. will come
14. Sam will not graduate _______ .
A. if he passed all the tests
B. if he does not pass all the tests
C. unless he passes all the tests
D. unless he had passed all the tests
1. By the time we _____ to the cinema, the film had started.
A. gets B. had got C. has got D. got
2. When the policeman came there, the robber _____
A. had left B. has left C. left D. was left
3. If you were the president, what _____ you do to help the environment?
A. will B. did C. would D. do
4. The village's drinking water _____ with poisonous chemicals since the factory came into operation.
A. contaminates B. is contaminated C. has contaminated D. has been contaminated
5. When the policeman came to the scene, the driver of the car _____
A. have left B. had left C. leaves D. was left
6. You will recognize Jenny when you see her. She _____ a red hat.
A. wears B. is wearing C. will wear D. will be wearing
7. Recent_____ developments have made robots more user-friendly and intelligent.
A. science B. scientist C. scientific D. scientifically
8. If we use water_____, more people will have cleaner water.
A. care B. carefully C. careless D. carelessly
9. Water pollution make some aquatic animals_____
A. dying B. to die C. die D. died
10. She prefers English _____ France.
A. to B. for C. at D. in
11. Three hundred people _____ homeless by the earthquake.
A. left B. were leaving C. were left D. had left
12. By the time we got to the cinema, the film_____
A. had started B. started C. starting D. has started
13. Many people die_____ food poison today.
A. at B. of C. in D. on
14. The _____ buried the whole village while people were still sleeping in their houses.
A. drought B. flood C. mudslide D. tornado
15. If people _____ to work by bus, there _____ fewer car fumes.
A. to travel / be B. travel / are C. will travel / be D. travel / will be
16. If people didn't throw rubbish in the street, it _____ attractive.
A. will look B. would look C. look D. to look
17. There are about 750 million English speakers in the world, and this number _____ fast.
A. is increasing B. to increase C. are increasing D. increase
18. In the future, natural disasters_____ accurately with the help of technology.
A. to predict B. predict C. will be predicted D. will predict
19. On my birthday, I was very pleased because I______ a nice present.
A. receive B. had received C. receives D. am receiving
20. Water _____ in the lake has made the fish die.
A. pollution B. pollute C. polluted D. polluting
21. The train or HN _____ at 7a.m tomorrow.
A. leaves B. leaving C. to leave D. left
22. Environmental pollution has_____ to lots of health problems.
A. caused B. got C. made D. led
23. The heavy rain has caused _____ in many parts of the country.
A. drought B. storms C. forest fire D. floods
24. By the time we _____ to the cinema, the film had started.
A. had got B. got C. were getting D. get
25. A person who _____ the bagpipes is called a piper.
A. plays B. performs C. entertains D. does
26. The team's success was largely_____ to her efforts.
A. because B. due C. since D. however
27. I often drink coffee, but today I _____ tea.
A. am drinking B. drink C. drank D. drinks
28. If you_____ the president, what would you do to help the environment?
A. are B. had been C. were D. was
29. Eating too much sugar can _____ to health problems.
A. cause B. lead C. make D. take
30. Emergency teams are still removing the _____ from the plane crash.
A. dirt B. debris C. dust D. air
Task 1: Choose the best answer
1. Do you think there would be less conflict in the world if all people _______the same language?
A. spoke B. speak C. had spoken D. will speak
2. Unless you __________all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
3. If someone __________ in to the store, smile and say, “May I help you?”
A. comes B. came C. come D. should come
4. “Here’s my phone number”.
“Thanks. I’ll give you a call if I __________some help tomorrow”
A. will need B. need C. would need D. needed
5. If I didn’t work for an accounting firm, I __________in a bank now.
A. work B. will work C. have worked D. would work
6. The death rate would decrease if hygienic conditions __________improved.
A. was B. is C. were D. had been
7. If she __________ him, she would be very happy.
A. would meet B. will meet C. met D. should meet
8. If I had enough money, I__________ abroad to improve my English.
A. will go B. would go C. went D. should have go to
9.The bench would collapse if they __________on it.
A. stood B. stand C. standing D. stands
10. If it __________convenient, let’s go out for a drink tonight,
A. be B. is C. was D. were
Task 1: Choose the best answer
1. Do you think there would be less conflict in the world if all people _______the same language?
A. spoke B. speak C. had spoken D. will speak
2. Unless you __________all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
3. If someone __________ in to the store, smile and say, “May I help you?”
A. comes B. came C. come D. should come
4. “Here’s my phone number”.
“Thanks. I’ll give you a call if I __________some help tomorrow”
A. will need B. need C. would need D. needed
5. If I didn’t work for an accounting firm, I __________in a bank now.
A. work B. will work C. have worked D. would work
6. The death rate would decrease if hygienic conditions __________improved.
A. was B. is C. were D. had been
7. If she __________ him, she would be very happy.
A. would meet B. will meet C. met D. should meet
8. If I had enough money, I__________ abroad to improve my English.
A. will go B. would go C. went D. should have go to
9.The bench would collapse if they __________on it.
A. stood B. stand C. standing D. stands
10. If it __________convenient, let’s go out for a drink tonight,
A. be B. is C. was D. were
P/S : Good Luck
~Best Best~
22. A lot of fish has died recently because of the _____________ water in this lake.
A. contaminating B. contaminated C. contaminate D. contaminant
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap
A. am - will drink B. am - won’t drink C. were - would drink D. were - wouldn’t drink 2
5. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
26. Price and availability are the _____________ factors that will determine product success.
A. critical B. musical C. physical D. medical
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
31. If I _____________ where she lived, I would go and see her.
A. know B. knows C. to know D. knew
32. We need to be more _____________ about this problem.
A. scientific B. majestic C. domestic D. alphabetic
33. The election campaign has been focused mainly on _____________ issues.
A. dialectical B. energetic C. domestic D. conical
34. If I _____________ the lottery, I would be a millionaire.
A. win B. wins C. winning D. won
35. I will discuss that problem with him if I _____________ him tomorrow.
A. see B. sees C. to see D. seeing
36. If I knew Chinese, I _____________ for job in China.
A. will apply B. would apply C. will be applied D. would be applied
37. She was unable to find a _____________ job.
A. important B. importantly C. permanent D. permanently
38. Any company found to be breaking these rules will be heavily _____________.
A. fined B. done C. made D. got
39. These figures are for _____________ purposes only
. A. illustrate B. illustrating C. illustrative D. illustration
40. I would go jogging with Mark if he _____________ here today.
A. is B. will be C. were D. would be
41. Many species of wildlife are becoming extinct, _____________ the rainforests are being destroyed.
A. therefore B. since C. consequently D. so
42. Hemp can be used to make paper, _____________ it could reduce the need for logging.
A. consequently B. due to C. so D. since
43. _____________ logging provides jobs and profits, the government is reluctant to control it.
A . So B. Consequently C. Since D. Due to
44. Hemp was grown throughout history_____________ its versatility; it can be used to make many different things.
A. due to B. because C. since D. as a result
45. Hemp is related to the marijuana plant; _____________ it is illegal in many countries.
A. so B. due to C. as a result D. because
46. The polluted chemical waste was dumped into the ocean; _____________,the mass of fish died.
A. because B. as C. because of D. consequently
47. It was guessed that the fish died_____________ a powerful toxin in the sea water.
A. because of B. because C. since D. as a result
48. Many species in BC are threatened _____________ logging.
A. so B. because C. since D. due to
49. Smoking can_____________ heart disease.
A. lead to B. create C. causes D. due to
50. Radioactive pollution is increasing _____________ the increased use of radioactivity.
A. as B. since C. because of D. because
Mình chỉ sửa cho bạn Hải là câu 24 phải là D nha vì nếu là would drink thì chả lẽ là uống nước bẩn?Và câu 26 phải là medical nha, bài này cô chữa cho mình nên không sai đâu.