See who's there! ____ it be Mary?

试卷相关题目

• 1He _____ more than thirty.

  A.mustn't be

  B.shouldn't be

  C.won't be

  D.can't be

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• 2The boy looks pale and thin.  He _____ ill.

  A.can be

  B.has to be

  C.must be

  D.should be

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• 3To appreciate that it's not easy for you, but you ______ try to get here on time．

  A.may

  B.must

  C.will

  D.can

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• 4The seller _________ the CD player for $50, but the customer offered $30.

  A.would sell

  B.used to sell

  C.sold

  D.insisted selling

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• 5-- _____ you make so much noise, Mary? Your father is sleeping now.     --Sorry, Mum. I'll take care not to.

  A.Can

  B.May

  C.Will

  D.Must

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