作业帮while的。。
来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/05/14 18:36:47
I (talk) on the photo with my classmate when my mother come back.
解题思路： when和 while都可以表示“当……时候”，但是他们也有一定的区别。When引导的时间状语从句一般表示这个动作已经发生（动词的时态一般为一般过去时），而while引导的时间状语从句一般强调动作正在进行（动词的时态一般为进行时）。
解题过程：
I was talking (talk) on the photo with my classmate when my mother came back.
最终答案：
解题过程：
I was talking (talk) on the photo with my classmate when my mother came back.
最终答案：