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    We must work hard to protect the environment from . A. pollution B. pollute C. polluted D. polluting 【查看更多】

     

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    We must work hard to protect the environment from ________.

    [　　]

    A．pollution
    B．pollute
    C．polluted
    D．polluting

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    We must work hard to protect the environment from　　　　   .

    A. pollution 　　　　  B. pollute　　    C. polluted　　  D. polluting

     

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    We must work hard to protect the environment from　　　　   .

    A. pollution 　　　　  B. pollute　　    C. polluted　　  D. polluting

     

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