You _____ be tired; you have been working for so long a time, but he _____ be tired; he has just begun to work.

试卷相关题目

• 1―We didn't see Robert at the opening ceremony yesterday.                     ―No, he _______ it.

  A.mustn't have attended

  B.needn't have attended

  C.needn't attend

  D.didn't need to attend

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• 2—Sorry，Mum, I lost my key to the bicycle again． —Oh! How _____ you be so careless! You have to learn to look after your belongings．

  A.can

  B.may

  C.will

  D.dare

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• 3．—Margaret ______ stay at home all day long in front of the TV. —That' s right．She ought to go to the fitness center with us.

  A.couldn't

  B.mustn't

  C.needn't

  D.shouldn't

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• 4．—What's the matter with the man hanging his head there? —Well, if you _______ know, he was caught stealing my bike.

  A.must

  B.may

  C.can

  D.shall

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• 5He knew nothing about the matter, but he talked as if he _____ it.

  A.knows

  B.knew

  C.had known

  D.would know

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• 6I'm so surprised that such a clever man as he_________be easily taken in.

  A.would

  B.should

  C.could

  D.might

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• 7It is high time we ______ awareness of environmental protection.

  A.promoted

  B.would promote

  C.shall promote

  D.had promoted

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• 8He ________ the window of our classroom yesterday because he didn't come to school．            

  A.mustn't have broken

  B.mightn't have broken

  C.shouldn't have broken

  D.couldn't have broken

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• 9― What sort of friend do you want to have? Someone beautiful? ― Well, it ____ be beautiful―that's not important.

  A.mustn't

  B.can't

  C.won't

  D.needn't

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• 10Her brother ______ be at home now, because he was seen playing basketball in the stadium just now.

  A.mustn't

  B.needn't

  C.can't

  D.shouldn't

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