练习册

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  • 试题
    their service, the workers of the hotel are active in learning English. A. Improving B. To improve C. Improve D. Having improved 答案:B 解析:动词不定式作目的状语. 【查看更多】

     

    题目列表(包括答案和解析)

     

    _______ their service, the workers of the hotel are active in learning English.

             A. Improving                   B. To improve       

             C. Improve                      D. Having improved

     

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    ____ their service, the workers of the hotel are active in learning English.
    [     ]
    A. Improving
    B. To improve
    C. Improve
    D. Having improved

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    ______ their service, the workers of the hotel are active in learning English.

    A. Improving  B. To improve

    C. Improve     D. Having improved

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    _______ their service, the workers of the hotel are active in learning English.

           A. Improving             B. To improve    

           C. Improve                 D. Having improved

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    ______ their service, the workers of the hotel are active in learning English.

    A．Improving         B．To improve        C．Improve          D．Having improved

     

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