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.