1. Why can't you see the small town on the map of China?
2. How is the air in the small town?
3. How many people are there in the writer's school?
4. Is there a river or a playground in front of the writer's school?
5. What do the students often do in summer?
Because it is too small.
2. How is the air in the small town?
Nice and clean.
3. How many people are there in the writer's school?
875.
4. Is there a river or a playground in front of the writer's school?
A playground.
5. What do the students often do in summer?
They often walk along the river.
答案：1. Because it is too small. 2. Nice and clean. 3. 875. 4. A playground. 5. They often walk along the river.