The young doctor is determined to devote all his life to the cause of cancer.A. studying

发布时间：2020-08-17 00:41:02

The young doctor is determined to devote all his life to      the cause of cancer.
A. studying
B. studied
C. study
D. studies

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(答案→)A. studying
B. studied
C. study
D. studies
解析：考查固定词组：devote all one’s life to doing，一生致力于做…，句意：年轻一生决定一生致力于研究癌症事业。选A。
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