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    This robot is supposed to save a lot of labor, but it remains a problem if it . A. is B. saves C. does D. has 【查看更多】

     

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    This robot is supposed to save a lot of labor, but it remains a problem if it ______.

       A. is B. saves C. does D. has

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    This robot is supposed to save a lot of labor, but it remains a problem if it ______.

       A. is B. saves C. does D. has

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    This robot is supposed to save a lot of labor, but it remains a problem

    if it ______.

     A. is B. saves C. does D. has

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    This robot is supposed to save a lot of labor, but it remains a problem if it ______.

    A．is

    B．saves

    C．does

    D．has

     

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    This robot is supposed to save a lot of labor, but it remains a problem if it ______.


    1. A.
      is
    2. B.
      saves
    3. C.
      does
    4. D.
      has

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