He in a university for five years, but now he runs a company of his own.A. has taughtB. h

发布时间：2020-08-16 06:41:33

He      in a university for five years, but now he runs a pany of his own.
A. has taught
B. had taught
C. taught
D. has been teaching

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