1.He is tidying his room.(变否定句） 2.She is dan cing.（变一般疑问句）3.They are playing footbll.（变一般疑问句）4.Are you drinking?（否定回答）5.Is he doing homework?(肯定回答）
问题描述：
1.He is tidying his room.(变否定句） 2.She is dan cing.（变一般疑问句）
3.They are playing footbll.（变一般疑问句）
4.Are you drinking?（否定回答）
5.Is he doing homework?(肯定回答）
答
1.He is not tidying his room。
2. Is she dancing?
3. Are they playing footbll？
4.Yes，I am。
5.Yes，he is。
答
Are they playing football?
No, I'm not.
Yes, he is.
答
1, He isn't tiding his room.
2,Is she dancing?
3, Are they playing football?
4,No, i'm not.
5, Yes,he is.
答
He isn't tidying his room
Is she dancing?
Are they playing football?
No, I'm not.
Yes, he is
答
1.He is tidying his room.(变否定句） He is not tidying his room2.She is dan cing.（变一般疑问句）Is she dancing?3.They are playing footbll.（变一般疑问句）Are they playing football?4.Are you drinking?...