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