问题描述：
The,students,are,doing,their,homework.改为一般疑问句，并作肯定回答。
最佳答案：
The students are doing their homework.
学生们正在做作业。
一般疑问句：Are the students doing their homework？
肯定回答：Yes,they are.
??最佳答案：
题目：英语 The students are doing their homework改为一般疑问句，并作肯定回答。
最佳答案：
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