选词补全对话。

A. He coughs badly and can’t sleep at night. B. What’s your problem, madam? C. I took his temperature an hour ago and it seemed all right. D. Take the medicine and drink plenty of water. E. How long has he been like this?

W: Good morning, doctor.
M: Morning.          
W: It’s my son. He’s not feeling well.        
M:        
W: For two days.
M: Does he have a fever?
W: No.        
M: Let me check him over. I think he has caught the flu.
W: Is it serious, doctor?
M: Don’t worry.        He’ll be better soon.
W: Thank you.