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    科目： 来源：不详 题型：单选题

    A good rest between classes ________ recover brain power to its best and make us perform better in class later.
    A．mustB．canC．needD．shall

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    科目： 来源：不详 题型：单选题

    They       have got lost, or had an accident.
    A．canB．mightC．mustD．mustn’t

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    科目： 来源：不详 题型：单选题

    —We are worried about Tom. Why hasn’t he come back?
    —Don’t worry. He ______ in a traffic jam.
    A．might be caughtB．may have been caught
    C．can have been caughtD．should have been caught

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    科目： 来源：不详 题型：单选题

    I ____ have been there, but I ____ not find the time.
    A．could; mustB．must; couldC．should; couldD．should; would

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    科目： 来源：不详 题型：单选题

    _____ you pass me the plate on the table?
    A．CanB．CouldC．MayD．Must

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    科目： 来源：不详 题型：单选题

    He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside．
    A．shouldB．mustC．wouldn’tD．can’t

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    科目： 来源：不详 题型：单选题

    The manager demanded that the work________ within three days.
    A．was finishedB．had been finishedC．be finishedD．finished

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    科目： 来源：不详 题型：单选题

    I ________ myself more— it was a perfect day.
    A．shouldn’t have enjoyedB．needn’t have enjoyed
    C．wouldn’t have enjoyedD．couldn’t have enjoyed

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    科目： 来源：不详 题型：单选题

    Children of divorced parents ______ have difficulty in forming stable relationships themselves.
    A．willB．shouldC．mayD．could

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    科目： 来源：不详 题型：单选题

    I know you have eaten all sorts of junk food your mother and I probably _____ you have.
    A．shouldn’t letB．can’t letC．couldn’t have letD．shouldn’t have let

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