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.