21．Miss Li ________ as a biology teacher for fifteen years in our school, and now she is Party secre...
2023-01-24 14:10:58 68次 2010年重庆市高三下学期五月月考英语 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
21．Miss Li ________ as a biology teacher for fifteen years in
our school, and now she is Party secretary of our city.
A. works B.
worked C.
had worked D.
has worked
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