题目内容
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
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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