He very hard when he was a student.A. study B. studied C. studies D. studying——青夏教育精英家教网——

题目内容

He very hard when he was a student.

A. study
B. studied
C. studies
D. studying

试题答案

B

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He very hard when he was a student.

A. study
B. studied
C. studies
D. studying

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