| A. This way, please. B. Welcome to our school! C. Forty students. D. Do you have a library? E. Is that the computer room? |
A: This is my classroom.
B：It's so big! How many students are there in your class?
A:
B:
A: No, it isn't. It's the teachers' office.
B:
A: Yes, we do. It's on the second floor.
