he was a student.he has been a student.从理解上有什么区别哪个能表明现在是学生现在不是了
问题描述:
he was a student.he has been a student.从理解上有什么区别
哪个能表明现在是学生现在不是了
答
he was a student.he has been a student.从理解上有什么区别
哪个能表明现在是学生现在不是了