根据上下文的意思补全对话。在横线上写出所缺少的内容。
A: Good morning, doctor.
B: Good morning, young man. 1____________________?
A: I've got a cough.
B: 2____________________?
A: Yes. My temperature seems all right.
B: 3________________________________________?
A: I have been like this for two days.
B: Open your mouth and say "Ah".
A: Ah!
B: You have caught a cold. Nothing serious, I think. 4____________________ three times a day and have
plenty of water. You'll be OK.
A: Thank you very much.
B: 5____________________.
