As it reported, it is 100 years _____________ Tsinghua University was founded. A. when B. before C. ...
2023-02-12 17:27:04 130次 2013-2014学年重庆市九年级上学期第二次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
As it reported, it is 100 years _____________ Tsinghua
University was founded.
A.
when B.
before C.
after
D. since
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