He play the piano since he was young. He is very famous now.A. has couldB. has been able

发布时间：2020-08-21 04:17:23

He      play the piano since he was young. He is very famous now.
A. has could
B. has been able to
C. could
D. was able to

网友回答

A. has could
(答案→)B. has been able to
C. could
D. was able to
解析：考查时态和固定短语。根据since he was young,可知主句中用现在完成时，故排除A，C，D,选B。
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