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    Three-fourths of the homework today. A. has done B. has been done C. have done D. have been done 【查看更多】

     

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    Three fourths of the homework _________ today.

        A. has done         B. has been done        C. have done       D. have been done

     

     

     

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    Three fourths of the homework _________ today.

        A. has done         B. has been done        C. have done       D. have been done

    查看答案和解析>>

    Three fourths of the homework _________ today．

    [　　]
    A．

    has done

    B．

    has been done

    C．

    have done

    D．

    have been done

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