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    40．A．finished B．started C．left D．1ifted 【查看更多】

     

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    — Are you still doing the physics project, Tom?
    — No. I ______ it yesterday.  
    [     ]
    A. finished
    B. kept
    C. started

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    Half of the work ______ by now.

      A. has finished              B. has been finished       C. have been finished

     

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    Half of the work ______ by now.
    A. has finished              B. has been finished       C. have been finished

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    More and more dangerous work _____________ by robots in ten years.
    A is finished        B was finished
    C will be finished    D has been finished

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    ---Mum, can I go to the zoo with Linda?

    ---When your homework _______, you can.

    A. is finished                      B. was finished                 C. finishes                          D. finished

     

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