Tom, who English for 20 years in English, now has been appointed headmaster of our school．

发布时间：2020-08-16 09:48:53


Tom, who     English for 20 years in English, now has been appointed headmaster of our school．
A. had taught
B. has taught
C. taught
D. had been teaching

网友回答

A. had taught
B. has taught
(答案→)C. taught
D. had been teaching
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