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.
