选择词语补全对话，将其字母编号写在相应横线上。

A. mouth    B. matter     C. rest    D. day  E. check-up   F. medicine    G. well    H. headache

Doctor: You don't look . What's the with you, young man?

Jack: I have a . I can't sleep well.

Doctor:I am sorry to hear that. Please come here and let me give you a first.

Open your ...

You have a fever. It is very hot. Take the three times a . You should take a good . Drink more water. And you'll be better soon.

Jack: Thank you very much!