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 devote 意为“致力于，献身于”，主要用 devote…to…或be devoted to，其中的to 是介词，不是不定式符号，故后接动词时要用动名词，不用不定式。

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