All her time __experiments,she has no time for filmA devoted to do B devoted to doing C devoting to doing D is devoted to doing 如何排除CD 急用!

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All her time __experiments,she has no time for filmA devoted to do B devoted to doing C devoting to doing D is devoted to doing 如何排除CD 急用!
All her time __experiments,she has no time for film
A devoted to do B devoted to doing C devoting to doing D is devoted to doing
如何排除CD 急用!

All her time __experiments,she has no time for filmA devoted to do B devoted to doing C devoting to doing D is devoted to doing 如何排除CD 急用!
首先一个英语句子里除了用连词连结外不能有两个实义动词,排除D;另外,一定是(be) devoted to doing,排除C.

排除CD 是因为 C 现在分词作定语修饰time后,All her time __experiments 部分就成了短语,不能表示原因。
D 变成了一个句子,没有表示原因,而这个句子前一部分是原因状语从句
A devote to 后面应该跟名词或动名词,因此也不能选。
所以选B...

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排除CD 是因为 C 现在分词作定语修饰time后,All her time __experiments 部分就成了短语,不能表示原因。
D 变成了一个句子,没有表示原因,而这个句子前一部分是原因状语从句
A devote to 后面应该跟名词或动名词,因此也不能选。
所以选B

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