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    Stop! You can never touch this machine when it , it is very dangerous. A. has been operated B. will be operated C. is operated D. is being operated 【查看更多】

     

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    Stop! You can never touch this machine when it ________, it is very dangerous.

    A. has been operated B. will be operated    C. is operated     D. is being operated

     

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    Stop! You can never touch this machine when it ________, it is very dangerous.


    1. A.
      has been operated
    2. B.
      will be operated
    3. C.
      is operated
    4. D.
      is being operated

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    Stop! You can never touch this machine when it ________, it is very dangerous.

    A．has been operatedB．will be operated C．is operated D．is being operated

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    Stop!You can never touch this machine when it ________, it is very dangerous．

    [　　]
    A．

    has been operated

    B．

    will be operated

    C．

    is operated

    D．

    is being operated

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