根据对话内容判断正误。

Mike: Look, Helen. I have a blue pen.

Helen: How nice!

Mike: Do you have any pens?

Helen: No, I don't. I have some pencils.

Mike: How many pencils do you have?

Helen: I have nine. Oh, it's eight o'clock. It's time for class. Let's hurry.

Mike: OK. Let's go.