— Have you known each other for long?— Not very, ________we started to work in t

题干

— Have you known each other for long?
— Not very, ________we started to work in the ABC Motor Company.

A．before

B．since

C．when

D．after

上一题下一题 0.64难度单项选择更新时间:2013-01-07 08:26:06

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