1. 阅读短文，选择正确的答案

Welcome to my school. There are 40 classrooms in my school. Look！This is a big playground. In thatbuilding（建筑物）, you can see the gym, the library and the art room. They are on the first floor. There are many storybooks and picture books in the library. We often read books in it. The teachers' office is next to the library. My classroom is on the third（第三）floor. It's big and clean（干净的）. I like it.

1. （1） There are_______ classrooms in my school.

   A . thirty B . forty C . twenty
3. （2） The library is on the _______ floor.

   A . first B . second C . one
5. （3） We often read books in the_______.

   A . library B . classroom C . gym
7. （4） The teachers' office is _______ the library.

   A . under B . next to C . on
9. （5） The classroom is_______.

   A . big B . small C . long