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    ( ) We should keep our classroom . A. clean B. cleaned C. cleaning 【查看更多】

     

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    We should keep our classroom _____.

    [     ]

    A. cleaned
    B. clean
    C. cleaning
    D. to clean

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    We should keep our classroom ______ every day．

    　　A. clean

    B．to cleans

    C．cleaning

    D．cleaned

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    We should keep our classroom ________．

    [　　]

    A．clean

    B．cleaning

    C．cleaned

    D．cleans

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