A．You should take more exercise． B．No．I don't think it is serious． C．Why don't you go to see a doctor？ D．How often do I have to take it？ E．How long have you been like this？ F．What should I do，then？ G．Have you taken your temperature？

A：Good morning．What's wrong with you？
B：I don't feel very well．
A：（66）
B：Yes，I have．My temperature is a little high．
A：Open your mouth and say"Ah"．
B：Ah…
A：（67） ．
B：Ever since last night．
A：Did your sleep well？
B：No，my head hurt the whole night．
A：Oh，I see．You've got a cold．Do you work very late these days？
B：Yes．I have too much work to do every day．（68）
A：You'd better stay at home for two or three days．
B：Is it serious？
A：（69） But you really need a good rest and take this medicine．
B：（70）
A：Three times a day．
B：OK．Thank you，doctor．