作业帮 > 英语 > 作业

问英语题Miss Li ___ as a biology teacher for fifteen years in ou

来源:学生作业帮 编辑:搜狗做题网作业帮 分类:英语作业 时间:2024/07/05 15:04:37
问英语题
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
请大家帮我详细的解释一下,谢谢!
问英语题Miss Li ___ as a biology teacher for fifteen years in ou
B,worked,因为李老师在我们学校当生物老师是过去的事了,和现在无关.
再问: 请问C选项为什么不对?
再答: had worked 是过去完成时,是指过去的过去所发生的事情,而在句子中只有一个过去的时间点,没有过去的过去的时间点,不知你能否明白