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    Whatever work you are doing, you should concentrate your attention it. A. to B. towards C. with D. on 【查看更多】

     

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    Whatever work you are doing, you should concentrate your attention ______it.

           A. to                     B. towards             C. with                         D. on

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    Whatever work you are doing, you should concentrate your attention ______it.

    A．to

    B．towards

    C．with

    D．on

     

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