This morning when he is reading his newspaper on the train.为什么要用reading?不能用read么?

分类: 作业答案 • 2022-06-23 23:15:07

问题描述：

This morning when he is reading his newspaper on the train.
为什么要用reading?不能用read么?

答

This morning出现了,一般用现在进行时