根据对话内容，补全对话，使其意思完整。每空只填一个词。

A: Excuse me, may I smoke here?

B: Look at the sign, please. It says "No Smoking".

A: Would you 1_______ my smoking in the office next door?

B: I'm afraid not. All the offices are non-smoking areas.

A: Oh, dear! 2_______ can I smoke, then?

B: There is a smoking room 3_______ the first floor. You may smoke there.

A: Sorry. I'm 4_______ here. Could you please show me the way?

B: Sure. Follow me, please. I'm afraid smoking is bad for your health.

    You'd better 5_______ it up.

A: Thanks for your advice. I'll think about it.