对划线部分提问.Ther are cleaning their classroom.划线部分是their classroom

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 04:57:06

对划线部分提问.Ther are cleaning their classroom.划线部分是their classroom

Where are they cleaning
有不明白的地方再问哟,更上一层楼!(*^__^*

What are they cleaning?

应该是 they are cleaning their classroom.
what are they cleaning?

What are they cleaning ?