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    23．The project alongside with the experiment we had once devoted so much time perfectly． A．to work out B．to working out C．to worked out D．has worked out 【查看更多】

     

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    The project alongside with the experiment we had once devoted so much time _________ perfectly．

    [　　]
    A．

    to work out

    B．

    to working out

    C．

    to worked out

    D．

    has worked out

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    The project alongside with the experiment we had once devoted so much time__________ perfectly.

    A．to work outB．to working out
    C．to worked outD．has worked out

    查看答案和解析>>


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