1.He is tidying his room.(变否定句） 2.She is dan cing.（变一般疑问句）
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 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?...