补全对话 (10 分)
A:Good morning. What’s the matter?
B:______________________
A:Do you have a headache?
B:_____________
A:Open your mouth and say “Ah”.
B:Ah.
A:__________
B I have been like this for two days.
A:Oh, I see. You had a bad cold.
B:Is it serious?
A:No, _______ But you really need a good rest and take this medicine.
B:_______________________
A:Three times a day.
B:OK. Thank you.