问题描述：
看一下这个句子是否有语法问题
During the three years,I took part in various students’ activities,played the role of a student leader successfully and delivered many speeches concerning “learning experience” in our faculty.
During the three years,I took part in various students’ activities,played the role of a student leader successfully and delivered many speeches concerning “learning experience” in our faculty.
问题解答：
我来补答展开全文阅读