？一题

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/25 13:12:35

解题思路：如下
解题过程：
1.What are you doing?
2.Is he watching TV?
3.What are they doing?
4. Is that Susan speaking?
5. I 'm at home.
6.I am doing homework.
7.Yes, they are.
8. They are reading books.
最终答案：略

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