放学了，Peter刚好碰见了同小区的新邻居Li Yan。请你帮他们补充对话吧！

A. What time is it? B. What's your name? C. Let's go home together(一起). D. What about you? E. How old are you？

Li Yan：Hello.

Peter：I'm Peter.

Li Yan：

Peter：I'm seven.

Li Yan：I'm in Class 1, Grade 3.

Peter：Oh, I'm in Class 2, Grade 3.

Li Yan：It's four o'clock.

Peter：

Li Yan：OK. Let's go.