补全对话

Teacher=T, Maxim=M

T: Can I help you?

M:I lost my【1】

T: Where did you lost it?

M. 【2】 the playground.

T：Is 【3】 your backpack ？

M：No, it【4】. My backpack is【5】. That one is small.

T: So, is this【6】?

M: No,【7】is blue. This one is green.

T: How about that one over there?

M: Yes,【8】is my backpack . Look,69【9】is my name on it. Thank you very much .

T: You’re【10】.