C: Excuse me, sir. (1)_________ G: I beg your pardon ? C: This is a non-smoking zone. G: Is it? I didn’t see any sign! C: There it is, on the wall: No Smoking. (2)___________ G: Oh, I see. I am just finishing this cigarette. C: I’m sorry, sir. But it would be highly appreciated if you could put it out now. (3)_____________ G: OK. Where is it ? C: Thank you, sir.(4)____________ Be careful. We just have our walls painted. (5)_____________ G: Thank you for telling me. 4.___________