补全对话

A. My schoolbag is black. B. But whose schoolbag is it? C. It is over there. D. Thank you. E. Oh, no, it's not mine.

Joe: Look, Mary! What is that?

Mary: Where?

Joe:

Mary: Oh, it's a schoolbag. It looks very nice.

Joe: Yes, that's right.

Mary: I think it is Lily's.

Joe: Lily, is this your schoolbag?

Lily: Let me have a look, My schoolbag is old, but this one is new.

Joe: Ann, is this schoolbag yours?

Ann: No, it's not mine. This one is blue. I think it is Jim's.

Joe: Jim, is this your schoolbag?

Jim: Yes, it's mine.
Joe: Here you are.

Jim:

Joe: That's all right.