B)在下列每小题内，你将听到一个问句并看到供选择的A、B、C三个答语。找出能回答你所听到的那个问句的最佳选项。
5．A. I am 15． B．How do you do? C．I work very hard．
6．A. I do my homework after school. B．Playing football． C．That's great!
7．A. I love it . B. I can speak a little English．
C．I learn it by listening to the radio．
