问题描述：
HE cleaned his room just now(变一般疑问句,并做肯定否定回答
( )he( )his room just now?
Yes,( )( ).
No,( )( )
( )he( )his room just now?
Yes,( )( ).
No,( )( )
问题解答：
我来补答展开全文阅读