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    This old computer must have been of great use to did the scientific research. A. those B. when C. whoever D. that 【查看更多】

     

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    This old computer must have been of great use to _______ did the scientific research.

    A．those

    B．when

    C．whoever

    D．whomever

     

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    This old computer must have been of great use to _______ did the scientific research.


    1. A.
      those
    2. B.
      when
    3. C.
      whoever
    4. D.
      whomever

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    .

    This old computer must have been of great use to ____________ did the scientific research.

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

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    This old computer must have been of great use to _______ did the scientific research.

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

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     This old computer must have been of great use to _______ did the scientific research.
      A. those           B. when           C. whoever          D. whomever

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