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    It will be many years the doctors and medical scientists can find for cancer. A. since; cures B. when; treatments C. before; cures D. until; treatments 【查看更多】

     

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    It will be many years ______the doctors and medical scientists can find _____ for cancer.

    A．since; cures

    B．when; treatments

    C．before; cures

    D．until; treatments

     

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    It will be many years ______ the doctors and medical scientists can find _____ for cancer.

        A . since; cures              B. when; treatments 

    C. before; cures             D. until; treaments

     

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    It will be many years ______the doctors and medical scientists can find _____ for cancer.


    1. A.
      since; cures
    2. B.
      when; treatments
    3. C.
      before; cures
    4. D.
      until; treatments

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    It will be many years ______the doctors and medical scientists can find _____ for cancer.
    [     ]
    A. since; cures  
    B. when; treatments  
    C. before; cures  
    D. until; treatments

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    It will be many years ______ the doctors and medical scientists can find _____ for cancer.

        A . since; cures              B. when; treatments 

    C. before; cures             D. until; treaments

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