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    the employees' working efficiency, the supervisor will allow them to have a coffee break. A. Improving B. To improve C. Having improved D. Improved 【查看更多】

     

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    __________ the employees’ working efficiency, the supervisor will allow them to have a coffee break.

    A. Improving  B. To improve

    C. Having improved      D. Improved

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    ___ the employees' working efficiency, the supervisor will allow them to have a coffee break.

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

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     ______ the employees’ working efficiency, the supervisor will allow them to have a coffee

    break.

    A．Improving

    B．To improve

    C．Having improved

    D．Improved

     

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    _____ the employees' working efficiency, the supervisor will allow them to have a coffee break.

    [     ]

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

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    ______ the employees’ working efficiency, the supervisor will allow them to have a coffee

    break.

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

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