题目内容：

 

1.How old is your sister?                        A. Thank you!

2.Hello, this is Mary speaking. Is that Tom?         B. Sorry to hear that.

3.My mother is ill.                             C. Fifteen.

4.Your hat is very nice.                         D. No, not so nice.

5.What's the time?                             E. It's 6 o'clock.

F. Speaking. This is Tom.