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Bài 1.Nửa chu vi thửa ruộng HCN là:56:2x4=112(m)

         Chiều rộng thửa ruộng HCN là:112-68=44(m)

Bài 2.Chu vi mảnh vườn là:66x4=264(m)

         Cần số mét thép gai là:264-3=261(m)

hok tốt Happy New Year

2.

Chu vi mảnh vườn hình vuông là:

66x4=264 (m)

Số m dây thép gai để rào mảnh vườn là:

264-3=261 (m)

Đáp số: ...

trên mạng nhiều lắm đó bn.

Choose the best answer 1. They spent a lot of money on food and clothes. A. A lot of money on food were spent B. A lot of money was spent on food and clothes C. A lot of money were spent on food and clothes D. Mo ney was spent a lot on food and clothes 2. The restaurant serves seafood every Monday. A. Seafood is served every Monday. B. Seafood was served every Monday. C. Seafood are served every Monday. D. Seafood were served every Monday. 3. Mary inf ormed the police of the news A. The police was informed of the news. B. The news was informed of the police. C. The police were informed of the news. D. The police of the news was informed by Mary. 4. The ambulance is taking the boy to hospit al. A. To the hospital is the boy being taken. B. The boy is being taking to hospital. C. The boy is being taken to hospital. D. The boy is taken to hospital. 5. The engineers will construct a bridge over this house. A. This house will be const ructed over a bridge. B. A bridge will be constructed over this house. C. This house will be being constructed over a bridge. D. A bridge will be being constructed over this house. 6. Someone has stolen his gun. A. His gun has been stolen. B. His gun has stolen. C. He has been stolen the gun. D. The gun has been stolen him. 7. We have to tell Mary about our change in plans. A. Mary has to be told about our change in plans. B. Our change in plans should be told for Mary. C. Mary is told about our change in plans. D. Our change in plans is told to Mary. 8. We thought you were serious when you said you were leaving. You were thought ___________ when you said you were leaving A. to have been serious B. to being serious C. t o be serious D. to have been seriously 9. The directors have fired those lazy clerks A. Those lazy clerks have been fired. B. Those lazy clerks has been fired. C. Those lazy clerks had been fired. D. Those lazy clerks were fired . 10. The y didn’t explain anything about that . A. Nothing was explained about that . B. That wasn’t explained anything by them . C. Anything wasn’t explained about that . D. Something wasn’t explained about that . 11.They showed his photograph on telev ision. A. On television they have his photograph shown. B. His photograph was shown on television. C. His photograph is being shown on television. D. The television was shown his photograph. 12. We must find this killer. A. This killer we must fin d. B. This killer is found. C. This killer be found. D. This killer must be found. 13. They signed the contract at lunchtime. A. They were signed the contract at lunchtime. B. At lunchtime the contract were signed C. The contract at l unchtime was signed . D. The contract was signed at lunchtime. 14. Someone ought to do something about it. A. Something about it ought to be done. B. Someone ought to be done about it. C. Something ought to be done about it. D. It ought to be done something by someone. 15. People should send their complaints to the head office. A. Their complaints were sent to the head office. B. The head office was sent their complaints. C. Their complaints should be sent to the head office. D. The head office should be sent complaints. 16. People don’t use this road very often. A. This road don’t be used very often. B. This road is not used very often. C. This road is used not very often. D. This road is not often used. 17. Miller has taken a lot of photographs. A. Photographs have been taken by Miller. B. Photographs have been taken a lot of by Miller. C. A lot of photographs were taken by Miller. D. A lot of photographs have been taken by Miller. 18. The teacher gave us two very difficult exercises. A. We were given two very difficult exercises. B. Two very difficult exercises were given to the teacher. C. Two very difficult exercises were given to us. D. Both (A) and (C) are correct. 19. They said that he was all r ight . A. He said he was all right. B. They were said him was all right . C. He was said he was all right. D. He was said to be all right . 20. The lawyer is interviewing the witness. A. The witness is interviewed B. The witness is be ing interviewed C. The lawyer is interviewed D. The lawyer is being interviewed 21. They are taking photographs of the event. A. The event was taken photographs. B. The event is taken photographs. C. Photographs are taken of the event. D . Photographs of the event are being taken. 22. How do people learn languages? A. How are languages learned? B. How are languages learned by people? C. How languages are learned? D. Languages are learned how? 23. Nobody told me that Geor ge was ill. A. I was told that George wasn't ill. B. I wasn't told that George was ill. C. George wasn't told to be ill. D. George was told not to be ill. 24. His colleagues gave him a present when he retired. A. He was given a present when he retired. B. A present was given by his colleagues when he retired. C. He was given a present by his colleagues when he retired. D. A present was given him when he retired. 25. We will send you the results as soon as they are ready. A. You will be sent the results as soon as they are ready. B. You will be sent the results as soon as they are ready by us. C. The results will be sent you by us as soon as they are ready. D. The results will be sent you as soon as they are ready by us. 26. B rian told me that somebody had attacked him in the street. A. I was told by Brian that somebody had attacked him in the street. B. I was told by Brian that he had been attacked in the street. C. Brian told me to have been attacked in the street. D. Brian told me that he had been attacked in the street. 27. They say that many people are homeless after the earthquake. A. They say many people to have been homeless after the tsunami. B. They say many people to be homeless after the tsunami. C. Many p eople are said to have been homeless after the tsunami. D. Many people are said to be homeless after the tsunami. 28. We’ll have to find a new secretary soon. A. A new secretary has to be found soon. B. A new secretary must be found soon. C. A ne w secretary is found soon. D. A new secretary will have to be found soon. 29. We cannot do it that way. A. It cannot do that way. B. It cannot be done that way. C. That way it can’t be done. D. That way can’t be done. 30. They think t hat the prisoner escaped by climbing over the wall. A. The prisoner is thought to escape by climbing over the wall. B. The prisoner is thought escaped by climbing over the wall. C. The prisoner is thought having escaped by climbing over the wall. D. The prisoner is thought to have escaped by climbing over the wall. 31. They believe that the thieves got in through the kitchen window. A. The thieves are believed to have got in through the kitchen window. B. The thieves are believed to get in through the kitchen window. C. They believe the thieves got in through the kitchen window. D. They believe the thieves have got in through the kitchen window. 32. They report that over 200,000 people were killed in the tsunami. A. Over 200,000 people are report ed to have been killed in the tsunami. B. Over 200,000 people are reported to be killed in the tsunami. C. Over 200,000 people are reported to have killed in the tsunami. D. Over 200,000 people are reported to kill in the tsunami. 33. We found that th ey had cancelled the game. A. We found that the game had been cancelled. B. The game had been cancelled. C. we found that the game had been cancelled by them. D. The game were found to be cancelled 34. Where did they make your s hoes? A. Where were they made your shoes? B. Where did your shoes made? C. Where were your shoes made? D. Where were your shoes make? 35. Keep the machine always clean. A. The machine is always kept clean. B. The machine should be ke pt clean always. C. Let the machine always be kept cleaned. D. Let the machine be always kept clean. 36. His relatives say that he is an adopted child. He is said ___an adopted child A. to be B. to being C. to been D. to have been 37. I found that what he said was incorrect .What he said ___ incorrect A. was found B. was found to be C. was founded D. has been found 38. We consider him the best speaker of the debate. He_____________ the best speaker of the debate A. is considered to be B. is cons idering. C. was considered D. was considering 39. He sent me a nice gift on my birthday. A. I was sent a nice gift on my birthday by him. B. A nice gift was sent me on my birthday by him. C. A nice gift was sent to me on my birthday by him. D. B oth A & C are correct. 40. They began to build the bridge two months ago. A. The bridge was begun to build two months ago. B. The bridge was begun to be built two months ago. C. The bridge began to build two months ago. D. The bridge began to be built two months ago đáp án mk sẽ gửi sau.bn làm xong thì nói,mk sẽ gửi đáp án cho.

Điều anh biết của(Chi Dân)

k mik nha

điều anh biết

1+1=2

NHẮN TIN CHỨ SAO TỰ NHIÊN HỎI LÊN ĐÂY ???

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