1. (2021七上·乾安期中) 补全对话

A: Hello, Helen! ?

B: It is a dictionary.

A: Spell it, Please.

B: .

A: Is it yours?

B: . It's Linda's.

A: is your dictionary?

B: I don't know. Can you help me find it?

A: Oh. Is it your bag?

B: Yes. Thanks.

A: You are welcome.