— Is Jack on duty today? — It ____ be him; it's his turn tomorrow.

试卷相关题目

• 1It _____ sound like a perfect destination, but it is really adventurous to go there.

  A.must

  B.should

  C.can

  D.may

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• 2I told your friend how to get to the hotel, but perhaps I _____ have driven her there.

  A.could

  B.must

  C.might

  D.should

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• 3— I heard they went skiing in the mountains last winter. — It _____ true because there was little snow there.

  A.may not be

  B.won't be

  C.couldn't be

  D.mustn't be

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• 4— _____ you disturb her with these annoying questions just when she was busy cooking dinner?—  Sorry, I _____ that at that time.

  A.Should; must not have done

  B.Shall; may have done

  C.Must; should do

  D.Must; should not have done

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• 5According to the air traffic rules, you _____ switch off your mobile phone before boarding.

  A.may

  B.can

  C.would

  D.should

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• 6— It's eight o'clock already. Jack _____ be here by now. — Oh, he told me that he was going to see his dentist and wouldn't be back until ten.

  A.must

  B.can

  C.should

  D.need

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• 7— I've told her many times, and she still forgot about it! — I understand. It's true that she ____ be very forgetful sometimes.

  A.can

  B.would

  C.should

  D.must

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• 8— Is there a bus to the downtown? — There _____ be, for it is too late now. You'd better take a taxi.

  A.won't

  B.mustn't

  C.can't

  D.needn't

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• 9The traffic is heavy this day, I _____ arrive a bit late, so could you save me a place?

  A.can

  B.must

  C.need

  D.might

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• 10He ____ give up the dictionary than a child would give up a new toy. 　

  A.will no longer　　

  B.would rather

  C.had better　

  D.would no more

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