练习册

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    His mother worried that he spent too much time on the computer and not enough time . A. to study B. study C. studied D. studying [解析]选D.spend time(in)doing sth. 为固定结构.表示“花费时间做某事 . 【查看更多】

     

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    His mother worried that he spent too much time on the computer and not enough time _______.

    [　　]

    A．to study
    B．study
    C．studied
    D．studying

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    His mother worried that he spent too much time on the computer and not enough time ________．

    [　　]
    A．

    to study

    B．

    study

    C．

    studied

    D．

    studying

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