I'm impressed with his determination. When he had a problem to solve, he  _____ work at it until he found an answer.

试卷相关题目

• 1I'm fond of my sister, but she has a serious shortcoming. She _______ be really stubborn.

  A.must

  B.will

  C.can

  D.should

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• 2I got up early that morning, but I _____ so because I had no work to do.

  A.mustn't have done

  B.didn't need to do

  C.needn't have done

  D.can't have done

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• 3Michael ______ be a policeman, for he is much too short．

  A.needn't

  B.can't

  C.should

  D.may

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• 4It ______ be very hot in summer in Jining, especially in July and August,

  A.can

  B.must

  C.will

  D.should

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• 5The fans never expected their favourite team, which owns so many excellent players, ________have been defeated in the first round!

  A.must

  B.should

  C.might

  D.could

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• 6How ______ Mike have refused such a good opportunity to go abroad for further study?

  A.need

  B.must

  C.can

  D.might

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• 7“No student,”the headteacher stressed, “_______ go out of the school after ten o'clock at night without my permission. ”

  A.shall

  B.will

  C.must

  D.may

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• 8Whenever he worked until midnight, he ______ drink some coffee to get refreshed.

  A.could

  B.should

  C.must

  D.would

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• 9Every solid object ______ reflect a sound，varying according to the size and nature of the object．

  A.must

  B.shall

  C.will

  D.should

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• 10On rainy days, accidents ______ happen sometimes on steep roads．

  A.should

  B.shall

  C.must

  D.can

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