请阅读下面的对话，根据对话内容选择恰当的句子完成对话。（共5分，每小题1分）


Doctor : Good morning     
Lily:例: （ B ）
Doctor: What's wrong?
Lily: （1）（   ）
Doctor : Do you often eat sweet food?
Lily: Yes, I do. （2）（   ）
Doctor: （3）（     .）
Lily: I brush my teeth in the morning .But I don’t brush in the evening.
（4）（   ）
Doctor: You should brush your teeth twice a day,
You shouldn't eat too much sweet food.        
lt's bad for your teeth.
Lily: Thank you.
Doctor: （5）（  ）You will be better soon.
Lily: OK. I'll take some medicine.