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John's father__mathhematics in this school ever since he graduated from Harvard Univer

分类: 作业答案 • 2021-12-01 10:11:37
问题描述：

John's father__mathhematics in this school ever since he graduated from Harvard Univer
John's father__mathhematics in this school ever since he graduated from Harvard Univers
A:taught B:teaches C:has taught D:is teaching

答

C.后文ever since

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