根据下面对话中的情境，在每个空白处填入一个适当的语句，使对话恢复完整。
Larry: What beautiful pictures!
Tom:  No, they’re not pictures.                     .
Larry: Stamps?                     ?
Tom:  They are used for posting letters.
Larry:                   ?
Tom:  I’ve got more than 700 of them.
Larry: How long have you been collecting them?
Tom:  I’ve been collecting them since I was five years old.
Larry:                     ?
Tom:  I’m going to be a stamp designer(设计师) when I grow up.
Larry:                      ?
Tom:  I’m going to study art really hard and go to an art college.
Larry:  I hope your dream can come true.
Tom:  Thank you.