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    A doctor was when Mother fell ill. A. called in B. called up C. call upon D. called at 【查看更多】

     

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    50. A doctor was___________when Mother fell ill.

    A.called in           B. called up           C. call upon             D. called at

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    50. A doctor was___________when Mother fell ill.

    A．called in

    B．called up

    C．call upon

    D．called at

     

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