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    It was nearly an hour the sleeping pill effect. A. when; took B. before; took C. since; had D. before ; had 解析:It was+一段时间+before-表示“过了-.才- take effect 表示生效 【查看更多】

     

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    It was nearly an hour ____the sleeping pill ______effect.

    A. when; took  B. before; took   C. since; had  D. before ; had

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    It was nearly an hour _____________ the sleeping pill _____________ effect.

    A．when; took        B．before; took       C．since; takes        D．before; would take

     

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    It was nearly an hour        the sleeping pill took effect.

           A．after                   B．when                  C．before                 D．since

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    It was nearly an hour ________ the sleeping pill took effect．

    [　　]

    A．after

    B．when

    C．before

    D．since

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    It was nearly an hour _____ the sleeping pill _____ effect.

    [　　]

    A．when; took　　　B．before; took

    C．when; had　　　 D．before; had

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