选一选，补全对话。

Mike: Hi, Amy. This is John, our new classmate.

Amy:  Nice to meet you.

John:       1.  

Amy: Mike.  We have a new classroom.

Mike:     2.     Let's go and have a look.

John: Wow! It's so big.

Amy:     3.     This is my desk.

John: Where is my seat?

Mike:     4.  

John: Oh!      5.  

A. It's near the door.  

B. How nice!

C. Really?          

D. Nice to meet you, too.

E. Look.