Hi, Bob. How are you doing? It has been a long time we left our junior middle school.A. w

发布时间：2020-08-17 06:25:54

Hi, Bob. How are you doing? It has been a long time      we left our junior middle school.
A. when
B. that
C. before
D. since

网友回答

A. when
B. that
C. before
(答案→)D. since
解析：此处主句是现在完成时，从句是一般过去时，所以选since。句意：Bob你过得怎么样？自从我们初中毕业很长时间了。
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