填入一个适当的词补全对话,每空一词。

D-doctor P-patient

D: What's the matter with   1 , young man?

P: I cough day and night.  I can't sleep well.

D: Let me see. Open your   2   and say "Ah".

P: Is there anything wrong with my throat?

D: No,   3   serious. Do you smoke?

P: Yes.  These days I am smoking a lot.

D: Don't smoke too much. It may   4   cancer.

P: I see.  I'll try to give up smoking.

D: Well, take this medicine three   5   a day and have a good rest.  You'll be all right soon

P: Thank you very much.        

D: You are welcome.

1. _________ 2. _________3. _________4. _________ 5. _________