在划线处写出所缺句子，是对话意思完整。

A: Good morning.

B: Good morning. ?

A: I don't feel very well and I've a headache.

B:?

A: Ever since this morning.

B: Maybe you've caught a cold. Have you taken your temperature?

A: No, I haven't.

B: ?

A:OK.

B: Oh, you've got a fever.

A: ?

B: Nothing serious.

A: What should I do then?

B: You can take some medicine and drink much water.

A: Thank you, doctor.

B:.