I didn't see her in the musical hall this evening. She_____ have sung at the concert.

试卷相关题目

• 1— I've taken someone else's overcoat by mistake. Is it Jack's? — It ____ be his. He seldom wears white.

  A.can't

  B.mustn't

  C.won't

  D.shouldn't

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• 2They _____have arrived at lunchtime but their flight was delayed.

  A.will

  B.can

  C.must

  D.should

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• 3What do you mean, there are only ten tickets? There _______ be twelve.

  A.should

  B.would

  C.will

  D.shall

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• 4Just be patient.  You  ___ expect the world to change so  soon.  

  A.can't

  B.needn't

  C.may not

  D.will not

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• 5— May I take this book out of the reading room?— No, you _____. You read it here.

  A.mightn't

  B.won't

  C.needn't

  D.mustn't

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• 6The weather in my hometown in summer is usually very hot but it ________ be cold sometimes.

  A.should

  B.can

  C.must

  D.may

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• 7— Oh, it's you. I__________ you. Why are you looking so thin and pale?— I've been ill for weeks and still under treatment.

  A.can't recognize

  B.could hardly recognize

  C.haven't recognized

  D.wasn'trecognizing

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• 8I _____ ask him, because I think I _____ be wrong.

  A.daren't; must

  B.dare; must

  C.dare; mustn't

  D.daren't; mustn't

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• 9Haven't I repeated that you _____ have a holiday on Saturday if you work hard?

  A.should

  B.shall

  C.must

  D.have to

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• 10It rained a lot during their journey, so they _____ have had a good time.

  A.can't

  B.must

  C.shouldn't

  D.might

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