Exercise 4.
1. I'll only help you if you promise to try harder
Unless..
2. " You were cheating" said Carol to June
Carol accused..
3. She bought that house in 1973
She has
4. They believe he is mad
He .
5. Our house is going to be painted by a local firm
We are...
6." I think you should go by train " he told us.
He advised...
7. She can't have any more children because of her age
She is too..
8. It isn't necessary to shout
You..
9. It was such a dull play that she fell asleep
The play.
10. "Where is the nearest tube?"she asked
She enquired.
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1 Was this beautiful dress bought by Mary?
2 These old picture won't be hung in the living room
3 This factory wasn't built by the German during the Second World War
4 This house and these car are going to be painted by the Greens for Christmas Day
5 The pollution problems hasn't been dicussed by the students since last week
6 Has the mosy valuable painting in the national museum been stolen by the thieves?
7 The new president will be intervirewed on TV
8 How many languages are spoken in Canada?
9 Are those shoes going to be repaired ?
10 Have the above sentences been finished by you?
1. Did Mary buy this beautiful dress?
-> Was this beautiful dress bought by Mary ?
………………………………..………………………………………………………………
2. I won’t hang these old pictures in the living room.
-> These old pictures won't be hung in the living room.………………………………..………………………………………………………………
3. The German didn’t build this factory during the Second World War
-> This factory wasn't built by the German during the Second World War ………………………………..………………………………………………………………
4. The Greens are going to paint this house and these cars for Christmas Day
->This house and these cards are going to be painted by the Greena for Christmas Day………………………………..………………………………………………………………
5. The students haven’t discussed the pollution problems since last week.
- >The pollution problems haven't been discussed by the students since last week………………………………..………………………………………………………………
6. Have the thieves stolen the most valuable painting in the national museum?
-> Has the most valuable painting been stolen by the thieves in the national museum?………………………………..………………………………………………………………
7. Some people will interview the new president on TV.
->The new president will be interviewed on TV………………………………..………………………………………………………………
8. How many languages do they speak in Canada?
->How many languages are spoken in Canada?………………………………..………………………………………………………………
9. Are you going to repair those shoes?
->Are those shoes going to be repaired?………………………………..………………………………………………………………
10. Have you finished the above sentences?
>…Have the above sentences been finished ?……………………………..………………………………………………………………
1 A class dicussion is held by our form teacher
2 They are called pop singers
3 Potatoes can be grown in this farm
4 Two new dresses has been bought recently by her
5 He is going to be invited to her wedding party by her
6 Her raincoat was taken off by her
7 This house was built in this area
8 A solution to the problem might be found soon
9 The new was being built by the builders when we came
10 A surprise party is going to be organized by the students in my class
1. They have studied English since 2007.
-> English has been studied since 2007 ………………………………………………………………………………………
2. You have to give the book back.
->The book has to be given back………………………………………………………………………………………
3. A famous writer wrote that book a long time ago.
->That book was written by a famous writer a long time ago……………………………………………………………………………………………
4. The pollution in the city is affecting people’s breathing nowsaday.
->Peole’s breathing is being affected by the pollution in the city nowadays……………………………………………………………………………
5. The police are looking for the missing boy.
->The missing boy is being looked for by the police…………………………………..…………………………………………
6. They may use this room for the classroom.
->This room may be used for the classroom………..………………………………………………………………………….
7. Someone has just moved my desk.
->My desk has just been moved………………………………………………………………………………………
8. They are going to electrify all the houses in this area next year.
->All the houses in this area are going to be electrified next year.………………………………………………………………………………….
9. They are building a new supper market near the park at present.
->A New supermarket is being built near the park at present…………………………………………………………………………………………
10. We must wash this kind of cloth in warm water only.
->This kind of cloth must be washed in warm water only …………………………………………………………………………………..
Với \(3.5\le x\le4.1\)
\(\Rightarrow A=x-3.5-4.1+x\\ A=2x-7.6\)
Ta có :
NI là pháp tuyến vuông góc với gương
Góc tới a = 90 - 30 = 60 (độ )
Mà theo định luật phản xạ ánh sáng :
Góc tới = góc phản xa
=> b = a = 60 (độ )
1. I'll only help you if you promise to try harder
Unless..you promise to try harder, I won't help you
2. " You were cheating" said Carol to June
Carol accused..June of being cheating
3. She bought that house in 1973
She has bought that house since 1973
4. They believe he is mad
He .is believed to be mad
5. Our house is going to be painted by a local firm
We are...going to have a local firm paint our house
6." I think you should go by train " he told us.
He advised...us to go by train
7. She can't have any more children because of her age
She is too..old to have more children
8. It isn't necessary to shout
You..don't have to shout
9. It was such a dull play that she fell asleep
The play.was so dull that she fell asleep
10. "Where is the nearest tube?"she asked
She enquired where the nearest tube was