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    Tom, you are so lazy. This work hours ago. A.should finish B. must have finished C. should have been finished D. might have finished 【查看更多】

     

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     Tom, you are so lazy! This work ___ hours ago.
       A. should finish                 B. must have finished
       C. should have been finished         D. might have finished

     

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    Tom, you are so lazy! This work ________ hours ago.

    [　　]

    A．should finish

    B．must have finished

    C．should have been finished

    D．might have finished

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