根据首字母提示完成对话，使对话完整。

　　A：W　　1　　 is your hobby?

　　B：My hobby is c　　2　　 stamps．

　　A：Oh,that's a good h　　3　　．When did you s　　4　　 to do it?

　　B：When I was at the a　　5　　 of eight．

　　A：So early!Why do you like s　　6　　?

　　B：Because I like the beautiful colours and wonderful pictures．

　　A：I think so．It's very interesting t　　7　　 have different sorts of stamps．

1．________

2．________

3．________

4．________

5．________

6．________

7．________