根据上下文提示，选词补全对话。

A. Thank    B. Where    C. OK    D. yes    E. No    F. your

A: Let's go home!

B: !

A: Uh-oh! is my pencil box?

B: Is it in desk?

A: ,it isn't.

B: Is it under the chair?

A: Oh, !

B: And your eraser!

A: you!

B: You're welcome!