1. — Have you known each other for long? — Not very long, we started to work in the compa

发布时间：2020-08-17 12:19:50


1. — Have you known each other for long?
— Not very long,      we started to work in the pany.
A. after
B. before
C. when
Dsince

网友回答

A. after
B. before
C. when
D. since
解析：还原过后应为： We have known each other since we started to work in the pany.
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