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    38．A．improve B．improving C．improved D．to improve 【查看更多】

     

    题目列表(包括答案和解析)

    Your pronunciation needs ________.

    [　　]

    A．improve
    B．improving
    C．to improve
    D．improved

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    Students should do everything they can ________ their study.

    A．improve           B．to improve             C．improving               D．improved

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    I'll work hard ________ my English.

    [　　]

    A．improve

    B．to improve

    C．improving

    D．improved

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    —Why did you plant so many trees?
    — ______ the environment.

    A．Improve
    B．To Improve
    C．Improved
    D．Improving

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    —Why did you plant so many trees?

    — ______ the environment.

    A．Improve

    B．To Improve

    C．Improved

    D．Improving

     

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