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    They haven’t finished their work. Maybe they have some trouble it. A. on B. at C. in D. with 【查看更多】

     

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    They haven't finished their work. Maybe they have some trouble ______ it.
    [     ]
    A. on
    B. at
    C. in
    D. with

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    They haven’t finished their work．Maybe they have some trouble ________ it．

    [　　]

    A．on

    B．at

    C．in

    D．with

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