题目列表(包括答案和解析)

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33. - She must have gone back to the valley.

  - ______, she _____ have. The entrance to it was nowhere to be found.

     A. No; mustn’t                        B. Yes; might

C. Yes; could                          D. No; couldn’t

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32. You ________ phone him if you want to, but you _________. He is sure to phone you.

     A. may; mustn’t                       B. have to; needn’t

C. can; doesn’t need                   D. can; needn’t

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31. -I didn’t see her yesterday.

  - Of course, you _____, because he had gone for a trip.

A. can’t                              B. may not have

C. can’t have                          D. mustn’t have

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30. They must have finished the work by the end of last month, __________?

A. mustn’t they                    B. haven’t they

C. hadn’t they                      D. didn’t they

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29. -I didn’t know you were good friends.

  -You _______. I have known her since she moved here. You were studying abroad then.

     A. may have                      B. needn’t have

C. couldn’t have                    D. must have

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28. It was playing computer games that cost the boy a lot of time that he __________ doing his lessons.

    A. might have spent                   B. ought to have spent  

C. must have spent                    D. could have spent

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27. -I’m told that John had another car accident this morning.

  - I believe not. He _____ so careless.

    A. shouldn’t have been                 B. wouldn’t have been

C. couldn’t have been                  D. mustn’t have been

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26. -Is there any flight to Tokyo today?

  - I think there _____, for the weather is too bad.

    A. mustn’t be                         B. mightn’t be

C. needn’t be                         D. can’t be

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25. Research findings show we spend about two hours dreaming every night, no matter what we ________ during the day.

    A. should have done                   B. would have done

C. may have done                     D. must have done

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24. My sister met him at the Grand Theatre yesterday afternoon, so he ________ your lecture.

    A. couldn’t have attended              B. needn’t have attended

    C. mustn’t have attended                   D. shouldn’t have attended

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