【正文】
trees and put them into the holes. They got water from the river nearby. They watered the young trees. Trees are very important to people. They can stop the wind. They can make the air fresh and clean. The students want to make their country greener. 1. What day was last Saturday? 2. How was the weather? 3. What did Gao Wei and his classmates do? 4. Where did they get water? 5. What can trees do