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    They on the program for almost one week before I joined them, and now we it as no good results have come out so far. A. had been working, are still working on B. had worked, were still working on C. have been working, have worked on D. have worked, are still working on 【查看更多】

     

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    They ______ on the program for almost one week before I joined them, and now  we ______ on it as no good results have come out so far.     

    A．had been working; are still working  B．had worked; were still working 

    C．have worked; were still working      D．have worked; are still working

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    They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.

    A. had been working; are still working    B. had worked; were still working

    C. have been working; have worked      D. have worked; are still working

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    They _______ on the program for almost one week before I joined them, and now we on it as no good results have come out so far.

    A. had been working; are still working

    B. had worked; were still working?

    C. have been working; have worked

    D. have worked; are still working?

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    They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.

    A. had been working; are still working    B. had worked; were still working

    C. have been working; have worked       D. have worked; are still working

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    They______on the program for almost one week before I joined them,and now we ______it as no good results have come out so far.

    A.had been working;are still working

    B.had worked;were still working

    C.have been working;have worked

    D.have worked;are still working

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