题海让大学四年没有难题
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题目详情

单选题 The old man, ____________abroad for twenty years, is on the way back to his motherland

A. to work

B. working

C. to have worked

D. having worked

英语(专升本)课程封面

学科:英语(专升本)

时间:2023-07-31 03:32:31

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