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    科目： 来源：不详 题型：单选题


    —Could I play computer games for a while, Mum? I’ve finished all my homework.
    —Oh, my dear, if you_____.
    A．canB．mustC．dareD．should

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    科目： 来源：不详 题型：单选题

    . With examinations coming immediately, you ________ the Internet last night.
    A．mustn’t surfB．shouldn’t surf
    C．couldn’t have surfedD．shouldn’t have surfed

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    科目： 来源：不详 题型：单选题


    He was taken away by the police. He _________ a very serious crime.
    A．must be committedB．was being committedC．must commitD．must have committed

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    科目： 来源：不详 题型：单选题


    According to a survey, few children from single-parent families have a hobby and that hobby ______ last for only a year or two.
    A．oughtB．mustC．mayD．need

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    科目： 来源：不详 题型：单选题

    There was plenty of time. She ____ to the station.
    A．shouldn’t hurryB．couldn’t hurry
    C．mustn’t have hurriedD．needn’t have hurried.

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    科目： 来源：不详 题型：单选题

    The ____ expression on his face suggested that he ____ understand what I said.
    A．puzzling, should notB．puzzled, did notC．puzzle, was notD．puzzled, not

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    科目： 来源：不详 题型：单选题


    --- I saw Mr Li at the meeting yesterday.
    --- Did you? He ______ have attended, for he had asked for sick leave.
    A．needn’tB．couldn’tC．shouldn’tD．mustn’t

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    科目： 来源：不详 题型：单选题


    Some festivals are held to honour the dead or to satisfy the ancestors, who __________ return either to help or to do harm.
    A．must B．shouldC．might D．shall

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    科目： 来源：不详 题型：单选题


    Look! Tom is too sleepy to work. He __________ up watching TV.
    A．mustn’t have stayed B．shouldn’t have stayed
    C．mustn’t stay D．ought not to stay.

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    科目： 来源：不详 题型：单选题

    This project _____ considered thoroughly, and I’m sure it _____ finished on time.
    A．must be; may beB．should be; can be
    C．may be; must beD．can be; should

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