Experts say that exercise is important for health, but it          be regular exercise.

试卷相关题目

• 1— Who has broken the window in my room?  — Who else ________ it but your naughty boy?    

  A.could do

  B.could have done

  C.might do

  D.must have done

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• 2— I'd love to go to the party with you tonight.— Oh, I'm sorry, there         be a party because of the coming exam.

  A.mustn't

  B.needn't

  C.can't

  D.oughtn't

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• 3— __________ you say goodbye so soon?   — I’m sorry. My mother is expecting me at home.

  A.Must

  B.Can

  C.Would

  D.Might

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• 4I _____ have watched that movie-it'll give me horrible dreams.

  A.shouldn't

  B.needn't

  C.couldn't

  D.mustn't

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• 5— Jack, _____ you behave yourself? You're no longer a kid.— Sorry, Daddy. It won't happen again.

  A.mustn't

  B.can't

  C.should

  D.would

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• 6— Li Na went out of the China Open in the first round. Why should she be defeated by such an unknown player?— Well, that's OK. She __________ enough after becoming the world champion.

  A.could not train

  B.must not have trained

  C.can not train

  D.may not have trained

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• 7He did not regret saying what he did but felt that he ______ it differently.     

  A.could express

  B.would express

  C.could have expressed

  D.must have expressed

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• 8— Did you go to the open-air concert? — No. We ____. but we spent too much time shopping.

  A.could have gone

  B.must have gone

  C.can't have gone

  D.shouldn't have gone

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• 9— Must I go to the gym three times a week? — No, you _____. Twice a week is OK.

  A.mustn't

  B.needn't

  C.can't

  D.shouldn't

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• 10As a student, you _____ spend so much time playing computer games, which is a waste of time.

  A.may not

  B.mustn't

  C.needn't

  D.won't

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