情境交际。读对话，选择正确的选项。

A. Yes, we do. B. No, they aren't. C. How many students are there in your class? D. Where's your classroom? E. Thank you.

Kate: Welcome to our school! 

Lucy: Wow! It's so beautiful!

Kate:  Follow me, please.

Lucy: Are those teachers' offices?

Kate:  They're classrooms.

Lucy: 

Kate: It's on the second floor. Let's go!

Lucy: It's so big. 

Kate: Forty-eight.

Lucy: Do you have a library?

Kate:  This way, please.