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    Computers must be of great use to doing the scientific research. A. these B. whoever C. those D. whomever 【查看更多】

     

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      Computers must be of great use to ________ doing the scientific research.

    A. these B. whoever

    C. those D. whomever

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    Computers must be of great use to ________ doing the scientific research.

    A. these B. whoever

    C. those D. whomever

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    Computers must be of great use to ____ doing the scientific research.

     　 A. these　　　 B. whoever     　　 C. those　 　 D. whomever

     

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    Computers must be of great use to ________ doing the scientific research.

    [　　]

    A．those

    B．these

    C．whoever

    D．whomever

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    Computers must be of great use to ________ doing the scientific research.

    [　　]

    A．those
    B．these
    C．whoever
    D．whomever

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