题目内容：

介词填空

behind next to in frontof

The gym is behind the science labs.

1. The library is________the classrooms.　 　　

2. The library is_________ the dining hall.

3. The classrooms are_________ the offices.    

4. The science labs are _________the gym.

5. The dining hall is_______the library.       

6. The offices are ________the science labs.

7. The classrooms are________the library.       　

8.The science labs are__________the offices.