Read and answer. （读句子，根据实际情况回答问题）

1. How many students are there in your class?

___________________________________________

2. How many girls are there in your class?

___________________________________________

3. Do you have a canteen in your school?

___________________________________________

4.  Do you have a library in your school?

___________________________________________

5. Do you have lunch in the canteen?

___________________________________________

6. — Where is the library?

    — It's on the ______ floor.