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    34．To do a bit for the motherland, . A．working hard is necessary B．to learn a foreign language is needed C．it is important to master science D．one should serve the people whole-heartedly 【查看更多】

     

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    To do a bit for the motherland, ________

    [　　]

    A．working hard is necessary

    B．to learn a foreign language is needed

    C．it is important to master science

    D．one should serve the people whole heartedly

    查看答案和解析>>

    To do a bit for the motherland, ________．

    [　　]

    A．working hard is necessary

    B．to learn a foreign language is needed

    C．it is important to master science

    D．one should serve the people whole-heartedly

    查看答案和解析>>

    To do it a bit for the motherland, ________．

    [　　]
    A．

    working hard is necessary

    B．

    to work hard is necessary

    C．

    one should work hard

    D．

    it is necessary to work hard

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