情景交际：补全对话，每空一词。
A: Wow, Mary, are these toy animals all yours?
B: Yes, I __1__ __2__ collecting them for many years.
A: __3__ __4__ do you have?
B: Well, I have about 100.
A: Which one do you like __5__?
B: I like the panda best. I think it's so __6__.
A: Have you collected anything __7__?
B: Yes, I also like theatre and movie tickets.
A: Then __8__ __9__ have you been collecting them?
B: Not too long. Just __10__ last year.
