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    29．Our government has taken some measures to overcome the lack of electricity, but it may take some time we have enough power． A．since B．before C．unless D．after 【查看更多】

     

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    Our government has taken some measures to overcome the lack of electricity, but it may take some time ________ we have enough power.

    A．since 

    B．after

    C．unless 

    D．before

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    Our government has taken some measures to overcome the lack of electricity, but it may take some time________ we have enough power．

        A．since            B．after            C．unless       D．before

     

     

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    Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．

           A．since                   B．after            C．unless                D．before

     

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    Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．


    1. A.
      since
    2. B.
      after
    3. C.
      unless
    4. D.
      before

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    Our government has taken some measures to overcome the    lack of electricity, but it may take
    some time ____ we   have enough power.    
    [     ]
     A. since            
    B. after        
    C. unless    
    D. before

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