题目内容
He _______ in a university for five years, but now he runs a company of his own.
A. has taught B. had taught C. taught D. has been teaching
【答案】
C
【解析】 略
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题目内容
He _______ in a university for five years, but now he runs a company of his own.
A. has taught B. had taught C. taught D. has been teaching
C
【解析】 略