A:Sorry to have smoked in your room.對不起,在你的房間抽煙了。
B:Don’t worry. I’ll open the window.別擔(dān)心。我會打開窗戶的。
A:It’s very kind of you.你真是體貼。
B:Smoking is harmful for your health.吸煙有害健康。
A:I know. I’ll try to give it up.我知道。我會試著戒掉的。