1. 对话排序

A: No, they're Mike's.

B: It's Gina's. And the blue schoolbag is hers, too.

C: What about this dictionary?

D: Hi, Anna. Are these your books?

E: Thank you for your help, Anna.

F: And the eraser? Is that yours?

G: You're welcome.

H: Yes, it is.

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