补全对话（共5小题；每小题1分，满分5分）
根据对话内容，从方框内的选项中选出你那个填入空白处的最佳选项，其中有两个为多余选项
A: Excuse me ,Sue !_ ___?
B: No ,it isn’t . Mine is in my desk.
A: ____________?
B: It might be Jane’s. I saw her looking for her backpack just now.
A: _____ . Hers is brown, but this one is yellow.
B: Well, let’s see what’s in the backpack. Oh, here is a hair band. The owner can’t be a boy.
A: ____ .Rita has long hair, and she’s always forgetting things.
B: Oh, there’re also several ping-pong balls in the backpack.
A:Then____,because her favorite sport is ping-pong.
B: Yes, you are right.
A: Let’s give it to Rita.

A.Is this your backpack? B. It’s can’t be hers. C.it must be Rita’s. D. Whose might it be? E. Must we return it to her. F. It might belong to Rita G. Who left it here.