3 Listen and read.
Ms Li: Welcome back to school, everyone! First of all, come and look in the lost and found box! There are a lot of things in it.Whose bag is this?
Lingling: Oh sorry! It's mine.Are my crayons there too?
Ms Li: Are these crayons yours?
Lingling: Yes, they are and this eraser too.Thank you.
Ms Li: Whose tapesare these?
Daming: They're mine.
Ms Li: Here's a purple wallet!
Tony: It’s mine.Look!Here's my name “Tony”! Thank you.
Ms Li: You're welcome! Look at this nice watch.Is it yours too, Daming?
Daming: No, it isn't.I think it’s Betty's.
Lingling: Yes, it's hers.
Ms Li: Everyone, please be careful with your things from now on.
Daming: Here are some nice gloves.Whose gloves are they?
Ms Li: Let me see…Oh, they're mine! Thank you!