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 【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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