位置:首页 > 题库频道 > 学历类 > 升学考试 > 高中(高考) > 英语 > 高考英语动词时态练习311

— Why do you do volunteer work in the North-West? — I_______ to improve the lives of the children there through my efforts.

发布时间:2021-06-21

A.was trying

B.have tried

C.am trying

D.tried

试卷相关题目

返回顶部