补全对话：10%
Mrs. Li: Hello, 68178502．
David: Hello．___________________________________?
Mrs. Li: Sorry．_____________________________．Can I take a message?
David: Yes．This is David, Bruce’s friend．I want to ask for some Chinese pictures ．
I know he had got some ．I’m not sure if（是否）give me one or two．
Mrs. Li: OK．______________________．Would you like him to ring you back later?
David: Well．I won’t be at home later this day．Would you please ask him to ring me tomorrow morning?
Mrs. Li: Sure ______________________________________________?
David: Oh, sorry．My telephone number has changed．The new number is 66129853．
Mrs. Li: OK．I’ll write a message for him．
David: _______________________________．．Goodbye．
Mrs. Li: Bye!
（have，last week）