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

题目简介

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

题目详情

He _______ in a university for five years, but now he runs a company of his own.
A.has taughtB.had taughtC.taughtD.has been teaching
题型:单选题难度:中档来源:不详

答案

C

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