The girl devoted all her spare time she had others.A. to helpB. helpedC. to helpingD. hel

发布时间：2020-08-17 12:32:21

The girl devoted all her spare time she had      others.
A. to help
B. helped
C. to helping
D. help

网友回答

A. to help
B. helped
(答案→)C. to helping
D. help
解析：本句的结构是：devote oneself/energy/time to doing sth.
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