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    32．Measures must be to keep the factories going on polluting the rivers． A．taken; from B．taken; 不填 C．done; from D．done; 不填 【查看更多】

     

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    Measures must be ______ to keep the factories _____ going on polluting the rivers．

          A．taken; from   B．taken; 不填         C．done; from   D．done; 不填

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    Measures must be ________ to keep the factories ________ going on polluting the rivers.

    [　　]

    A．taken; from
    B．taken; 不填
    C．done; from
    D．done; 不填

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