中文谷-Haveyouknowneachotherforlong? -Notverylong,
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问题详情：
- Have you known each other for long?
- Not very long, _______ we started to work in the company.
A. after B. since C. when D. before
【回答】
B
知识点：连词
题型：选择题
标签：
Notverylong
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