阅读短文，选择正确的答案。

    Welcome to my school It's very big. This is the teachers' office. It's on the first floor. The library is next to it. We can read books in the library. That is my classroom. It's on the second floor. It's very nice. Many desks and chairs are in it. We have two art rooms，three computer rooms and two music rooms. They're also on the second floor. We also have a playground. It's near the teachers' office.