the students stopped talking (when the teacher came in)对括号里的内容提问

问题描述:

the students stopped talking (when the teacher came in)对括号里的内容提问

When did the students stopped talking?
当老师进来时,学生们停止了说话.
什么时候学生停止了说话?stopped 应该换为stop的吧?是的,不好意思