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    You won't pass your exams you work harder. A. when B if C. unless D. after 【查看更多】

     

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    You won't pass your exams _____ you work harder.

    [     ]

    A. when
    B. if
    C. unless
    D. after

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    You won't pass your exams ________ you work harder．

    [　　]

    A．when

    B．if

    C．unless

    D．after

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