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    The question is it is worth doing. 【查看更多】

     

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    The question is ________ it is worth doing.


    1. A.
      if
    2. B.
      whether
    3. C.
      which
    4. D.
      what

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    The question is _____it is worth doing.
    [     ]
    A. whether            
    B. that          
    C. what            
    D. how

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    The question is ______ it is worth doing.

    A. if                B. whether       C. which            D. what

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    The question is ______ it is worth doing.

    A. if                B. whether       C. which            D. what

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    The question is ________ it is worth doing.

    [　　]

    A．if

    B．whether

    C．which

    D．what

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