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.