Would you mind my smoking?应该怎么回答?

回答不介意
No,of course not.
No,certainly not.
No,not at all.
No,go ahead.
No,indeed.
No,please
No,I don't mind.（很少这么说）
No,do it please.
要说介意的话
Sorry,you'd better not.
I'm afraid you can't.
I wish you wouldn't ...
选你自己喜欢的回答.
用OK 回答的很少.Sorry 的上面有了