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    【题目】All her time________ experiments, she has no time for films.

    A. devoted to do.

    B. devoted to doing.

    C. devoting to doing .

    D. is devoted to doing.

    【答案】B

    【解析】考查独立主格结构语。用为两个句子间没有连词，所以不能是两个简单句，即用分词形式，

    不能选D。用分词形式的“devote …to do 把…奉献于，致力于，用来…”有自己的主语“all her time”，

    且 它们之间是被动关系所以用过去分词形式，构成“主语+V-ed”。这是一个独立主格结构。句意：因为她的所有时间被用来做实验，她没有时间看电影。故选B。

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