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.
情景反应, 请将序号填入题前的括号内。
（1） What do you want?A Because I am happy.
（2） What are you going to do?B I want a hamburger.
(3) What are you doing?C Sorry, I can’t.
(4) Who can help me ?D I am eating.
(5) Why are you lauging?E I’m going to fly a kite.
He ________21 hours in space in 2003.
A.spend B.spent C.spending
I’m very interested _______ English.
A.in B.toC.speak
Helen Keller couldn’t _________.
A.look B.see C.saw
I want _______ some meat.
A.eat B.to eat C.eating