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    Beyond doubt, so much noise outside him settling down to his homework. A. kept,do B. prevented,do C. kept,doing D. prevented; doing [解析]选D.考查动词的用法.prevent sb. doing sth. 阻止某人做某事,settle down to doing sth. 静下心来做某事,keep sb. from doing结构中.from一般不省略. 【查看更多】

     

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    Beyond doubt, so much noise outside____him settling down to____his homework.

    A. kept；do　 B. prevented；do

    C. kept；doing　　 D. prevented; doing

     

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