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    She decided to devote herself the problem of old age. A. to study B. studying C. to studying D. study 【查看更多】

     

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    She decided to devote herself ________ the problem of old age．

    [　　]
    A．

    to study

    B．

    studying

    C．

    to studying

    D．

    study

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    She decided to devote herself ________ the problem of old age．

    [　　]
    A．

    to study

    B．

    studying

    C．

    to studying

    D．

    study

    查看答案和解析>>


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