[2010·重庆西南师大5月模拟]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 18B考查动词时态.句意:李老师曾经在我们学校当了15年的生物老师.现在她是我们市的党委书记.根据句意过去当了15年的生物老师可知用一般过去时.故选B. 【查看更多】