He cleaned the room on Sunday .改否定、一般问、并两答,
问题描述：
He cleaned the room on Sunday .改否定、一般问、并两答,
答
He didn't clean the room on Sunday.
Did he clean the room on Sunday?
Yes, he did.
No, he didn't.
答
He didn't clean the room on Sunday.
Did he clean the room on Sunday?
Yes,he did./No,he didn't