双色球开奖号码 www.nsjl.net The trees are very useful. Theycan clean the air, they fight with the air pollution. And they also make theearth more beautiful. But now, here are not enough trees on earth. We shouldplant more trees.
In this picture, there sixstudents. They are planting trees. They work hard, and they plant more than tentrees. That’s a good job for earth.
I hope there will be morepeople in the team of planting trees. If we all work together, we will have anice feture!