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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. A11 the offices are non-smoking areas.
A:Oh, dear ! 2. ________________can I smoke,then?
B:There is a smoking room3. _______________ 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.