听问句，选择最佳答语，把其字母编号写在题前的括号内。
1.A.Yes, she is.      B. No, he isn’t.   C. She’s Miss White.
2.A.OK.               B. No, I don’t.    C. Yes, I am.
3.A.The high jump.     B. Yes , I am .  C. Yes, I like the high jump.
4.A.It is Sunday.     B.I t is 7:00.   C. Yes, it is.
5.A.At seven o’clock. B. Yes, I do.   C.I do my homework.