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    ---Has Tom finished his job yet? ---I have no idea of it; he it this morning. A. has been doing B. had been doing C. did D. was doing 【查看更多】

     

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    ---Has Tom finished his job yet?
    ---I have no idea of it; he _____ it this morning


    1. A.
      has been doing
    2. B.
      had been doing 　
    3. C.
      did 　　
    4. D.
      was doing

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    ---Has Tom finished his job yet?

    　 ---I have no idea of it; he _____ it this morning.

    A．has been doing

    B．had been doing 　

    C．did 　　

    D．was doing

     

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    ---Has Tom finished his job yet?

    　 ---I have no idea of it; he _____ it this morning.

    　A.has been doing      B.had been doing 　     C.did 　　     D.was doing

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    ---Has Tom finished his job yet?

    　 ---I have no idea of it; he _____ it this morning.

    　　A.has been doing 　　B.had been doing 　　C.did 　　D.was doing

     

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    ---Has Tom finished his job yet?
    　 ---I have no idea of it; he _____ it this morning.

    A．has been doing B．had been doing 　C．did 　　D．was doing

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