Mr. Black was so to his research that he seldom cared about what happened around him.A. de

发布时间：2020-08-16 09:00:32


Mr. Black was so     to his research that he seldom cared about what happened around him.
A. devoted
B. concerned
C. absorbed
D. used

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(答案→)A. devoted
B. concerned
C. absorbed
D. used
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