— Why are those people gathering in the middle of the street?— I don't know. There ______ be an accident.

试卷相关题目

• 1John promised his doctor he  _____ not  smoke, and he has never smoked ever since.  

  A.might

  B.should

  C.could

  D.would

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• 2The tourists from Australia _______have hurried to the airport-the flight was called off becauseof the heavy fog.

  A.mustn't

  B.couldn't

  C.needn't

  D.wouldn't

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• 3—I don't really like James. Why did you invite him?—Don't worry. He _______ come. He said he wasn't certain what his plans were.

  A.mustnot

  B.neednot

  C.wouldnot

  D.mightnot

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• 4It 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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• 5Haven'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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