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    We must do something to factories waste water into the river before it is cleaned. A. stop; pouring . B. prevent; to pour C. keep; pouring D. stop; to pour 【查看更多】

     

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    We must do something to ________ factories ________ waste water into the river before it is cleaned.


    1. A.
      stop; pouring
    2. B.
      prevent; to pour
    3. C.
      keep; pouring
    4. D.
      stop; to pour

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    We must do something to _____ factories _____waste water into the river before it is cleaned.

    A. stop; pouring .    B. prevent; to pour    C. keep; pouring    D. stop; to pour

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    We must do something to _____ factories _____waste water into the river before it is cleaned.

    A. stop; pouring . B. prevent; to pour

    C. keep; pouring D. stop; to pour

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    We must do something to ________ factories ________ waste water into the river before it is cleaned.

    [　　]

    A．stop; pouring
    B．prevent; to pour
    C．keep; pouring
    D．stop; to pour

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    We must do something to ________ factories ________ waste water into the river before it is cleaned．

    [　　]

    A．stop; pouring．

    B．prevent; to pour

    C．keep; pouring

    D．stop; to pour

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