补全对话
A：Good afternoon，Dr.Huang．
B：__ _What’s wrong with you？
A：____
B：Do you have a cough？
A：____I cough now and then．
B：How long have you been like this？
A：_____And I’m feeling terrible now．
B：Let me check you over…Oh，you have a fever，too．
A：Is it serious？
B：Nothing serious．Take this medicine and drink more water．
A：____
B：Three times a day．Have a good rest and you’ll be all right soon．
A：Thanks a lot．
B：Not at all．

How often should I take the medicine? Yes, I do. I have a bad cold. Good afternoon, young man. About two days.