补全对话

Lily. Look! This is our school.

Sam:

Lily: No. This is our art room.

Sam: Oh, what's that?

Lily:

Sam: It's so big.

Lily: Yes. There are many books in the library.

Sam:

Lily: Yes, you can.

Sam:

A. It's on the first floor. B. Can I read a book there? C. Is this the music room? D. Thank you! E. That's our library.