阅读短文，判断对错。

Mike: Hi, Helen. This is my study (书房)。

Helen: How nice! What's this?

Mike: It's a pencil case.

Helen: Is that a crayon in the pencil case?

Mike: No, it isn't. It's a pencil.

Helen: Is that a rubber in the desk?

Mike: Yes, it is.

Helen: Can I have a look?

Mike: Sure. Here you are.