下面一段对话选自要求背诵的课文，请你选出合适的单词填入对话的空白处。

(It's Saturday afternoon.)

Zhang Peng: Hi, Sarah. What's that?

Sarah: It's a .

Zhang Peng: Do you often books in this park?

Sarah: No, I don't. Do you often play here?

Zhang Peng: Yes, I do. I this park very much.

Sarah: Me, .