摘要：2)强化练习题 1) You all those clothes! We have a washing machine to do that sort of thing. A) needn't have washed B) shouldn't have washed C) must not have washed D) can not have washed 2) John's score on the test is the highest in the class; he last night. A) should study B) should have studied C) must have studied D) must have to study 3) The room is in a terrible mess; it cleaned. A) can't have been B) shouldn't have been C) mustn't have been D) wouldn't have been 4) Nobody knows how people first came to these islands. They from South America on rafts. A) must have sailed B) can sail C) might have sailed D) should have sailed 5) Mary was not in her bedroom yesterday afternoon. She in her classroom. A) should have been B) must have been C) must be D) should be 6) Bob said he was going to join our club but he didn't. He his mind. A) can't have changed B) wouldn't have changed C) must have changed D) shouldn't have changed 7) You to town to see the film yesterday. It will be on TV tonight. A) needn't go B) had better not go C) should not go D) needn't have gone 8) We the letter yesterday, but it didn't arrive. A) must receive B) ought to receive C) must have received D) ought to have received 9) With all the work on hand, he to the cinema last night. A) mustn't go B) shouldn't have gone C) could not go D) couldn't have gone 10) Eve was late for class again. She earlier. A) should get up B) must get up C) need to get up D) should have got up 11) I am feeling sick. I so much chocolate. A) needn't have eaten B) couldn't have eaten C) mustn't have eaten D) shouldn't have eaten 12) I didn't send out my application form last week, but I . A) had B) would do C) should have D) might have to 13) Walking alone in the deserted village, John was scared. He thought he Tom to go with him. A) might have asked B) should asked C) must have asked D) should have asked 14) When I got to the cinema, the film had already started; I there earlier. A) ought to get B) ought to have got C) must have got D) must get 15) The road was muddy. It last night. A) must rained B) must have rained C) must be rained D) could have rained 16) She can speak quite fluent English. She . A) must been in the U.S.A. for some time B) must have been in the U.S.A. for some time C) should have been in the U.S.A. for some time D) May be in the U.S.A. for some time 17) You should bear in mind that he is not so strong as he . A) was used to be B) used to be C) was used to D) use to 18)"We didn't see him at the exhibition yesterday.""He it." A) mustn't visit B) can't have visited C) should have gone to see D) may see 19) Mary my letter, otherwise she would have replied before now. A) should have received B) has received C) couldn't have received D) ought to have received 20) I you a valuable present for your birthday, but I was short of money. A) would have liked to give B) liked to give C) have liked to give D) would like to give 21)"Where my umbrella?""Somebody it away by mistake." A) is, must have taken B) is, must take C) have been, must take D) is, takes 22) What would happen if the director knew you felt that way? A) will you suppose B) you suppose C) do you suppose D) you would suppose 23) Two eyes see more than one. A) can B) may C) will D) should 24) you continue in your efforts and achieve new and greater successes. A) Would B) Will C) May D) Should 25) We ought to help each other in our work, ? A) oughtn't we B) should we C) shouldn't we D) ought to we 26) Tom better than to ask Dick for help. A) shall know B) shouldn't know C) has known D) should have known 27) You your tooth pulled out before it rot completely. A) had better got B) had to get better C) had better to get D) had better get 28) When we got to the cinema, the film hasn't started yet, so we . A) needn't hurry B) didn't need hurry C) needn't to hurry D) needn't have hurried 29) It was really very dangerous; you him seriously. A) might have injured B) could injure C) should have injured D) must injure 30) As he had heart attack, he was told that he continue the work. A) needn't B) may not C) mustn't D) can't 31) An Englishman who not speak Italian was once traveling in Italy. A) must B) could C) may D) might 32) I like to make a suggestion. A) could B) would C) must D) might 33) I know things are hard with you, but you try to get over the difficulties. A) can B) may C) must D) ought 34 I can't find the recorder in the room. It by somebody. A) may have been taken away B) may leave C) may take away D) must have taken away 35) He the 9:20 train because he didn't leave home till 9:25. A) can reach B) could catch C) may not catch D) couldn't have caught 3) 单句改错(先判断句子是否正确.正确的句子不需改动.) 1. Ought you smoke so much?2. If Fred didn't leave here before five, he mustn't be home yet.

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