.His life was devoted to the poor out.A. helpingB. helpC. being helpedD. having helped

发布时间：2020-08-16 12:49:21

.His life was devoted to     the poor out.
A. helping
B. help
C. being helped
D. having helped

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(答案→)A. helping
B. help
C. being helped
D. having helped
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