根据对话语境，在空白处填写恰当的句子，使对话完整、连贯。
(Mary found a bag on the playground. When she picked it up, she saw Jane coming to her.)
Mary: Excuse me, (1) ?
Jane: No, it isn't. Mine is in the classroom.
Mary: (2) ?
Jane: Can it be Kate's? She is looking for her bag.
Mary: (3) . Hers is red, but this one is blue.
Jane: Let's see what's in the bag. Oh, a hair band.
Mary: (4) . Anna has long hair, and she always forgets things.
Jane: There's also a table tennis ball in the bag.
Mary: Then it must be hers. Anna is on the school table tennis team.
Jane: I'll give it to her. (5) ?
Mary: She is in the teachers' office now.
Jane: OK. Thank you.
1._____________________
2._____________________
3._____________________
4._____________________
5._____________________
