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    The noise of the machines can be heard in our classroom. A. fixed B. being fixed C. to be fixed D. having been fixed 【查看更多】

     

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    The noise of the machines______ can be clearly heard in our classroom.

    A.fixed          B.being fixed               C.to be fixed         D.having been fixed

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    The noise of the machines ________ can be clearly heard in our classroom．

    [　　]
    A．

    fixed

    B．

    being fixed

    C．

    to be fixed

    D．

    having been fixed

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