听力原文：

B: Is there anything I can do to help, Mom?

W: No, Peter. You don’t have to. You are still young.

B: Come on, Mom. I’m 13 years old now. Don’t you think it’s time for me to learn?

W: All right. If you really want to help, wash these potatoes in the dish.

B: Well, anything else I can do?

W: After that, you can set the table.

B: My pleasure, Mom.

Question: Why doesn’t Mom let Peter help her at first?

参考答案：

Because she thinks Peter is still young.