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题目
Ms 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

提问时间:2020-08-28

答案
选D has worked
解析:剧中用for fifteen years 表示“过去延续到现在的情况”,所以时态应该用现在完成时.
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