He _____ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside．

试卷相关题目

• 1--- I saw the Smiths at West Beijing Station this afternoon. --- You __________. They are still on holiday in Hawaii.

  A.mustn't have

  B.shouldn't

  C.couldn't have

  D.needn't

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• 2It's really a great pity that all of you _________ leave so soon. It's been pretty nice having you all at my birthday party.

  A.should

  B.could

  C.can

  D.might

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• 3----- I'm sorry . I ________ at you the other day . ----- Forget it. I was also a bit out of control of myself.

  A.shouldn't shout

  B.mustn't shout

  C.shouldn't have shouted

  D.mustn't have shouted

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• 4Some young people these days just ________ go out of their homes to contact the real world．

  A.mustn't

  B.won't

  C.mightn't

  D.shouldn't

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• 5When we were young, every evening my brother and I ___ stay at home waiting for my mother?

  A.might

  B.would

  C.should

  D.could

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• 6According to the agreement, nobody _______ let out how they spent the three days in the cave.

  A.must

  B.may

  C.will

  D.shall

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