Question

I must air the room.(改为一般疑问句,否定句,肯否回答,划线部分提问)？

Answer 1

一般疑问句:Must I air the room?

否定句:I mustn't air the room.

肯定回答:Yes，you must.

否定回答:No,you needn't/don't have to.

划线部分提问:What must you do?

Answer 2

一般疑问句:Must I air the room?
肯定回答:Yes,you must.
否定回答:No,you needn't.
否定句:I mustn't air the room.