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    Bill won’t make any progress he studies harder than before. A. if B. when C. because D. unless 【查看更多】

     

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    Bill won’t make any progress_____he studies harder than before.

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

     

     

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    Bill won't make any progress______ he studies harder than before.
    [     ]
    A.if
    B.when
    C.because
    D.unless

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    Bill won’t make any progress ________he studies harder than before．

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

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    Bill won't make any progress_______he studies harder than before．

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

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