根据短文内容，选择最佳答案。
We go to school at seven thirty. Our classroom is behind the trees. It's very nice. There is a map of
China on the wall. Twenty boys and fifteen girls are in the classroom. There are some flowers on the
teacher's desk. They are for our teachers. We have four classes in the morning and two in the afternoon.
We aren't at school on the weekend.
1. We go to school at .
A. 7:13
B. 7:03
C. 7:30
2. Our classroom is some trees.
A. behind
B. in
C. under
3. A map of China is on the _ .
A. desk
B. wall
C. blackboard
4. The _ are for the teachers.
A. maps
B. desks
C. flowers
5. There are students in our ciass.
A. forty-five
B. fifteen
C. thirty-five