Li Ping ________ English for several years before she came to th
分类: 基础英语(00088)发布时间: 2024-08-26 05:36浏览量: 0
Li Ping ________ English for several years before she came to the university. A、had studied B、has studied C、studied D、studies 【正确答案】：A 【题目解析】：before引导的时间状语从句的时态为一般过去时，主句要用过去完成时。