Thetimehehasdevotedinthepastyears

问题详情：

The time he has devoted in the past years _______ the disabled is now considered to be _______ great value _______ him.

A. to help; of; for                                 B. to helping;  /; to

C. to help; in; of                                   D. to helping; of; to

【回答】

D

知识点：相似 相近词比较

题型：选择题