上星期日，我们乘车去西山植树。一些学生种树，其他学生……
1. It, fine, last Sunday
2. we, go, West Hill, by bus
3. some, plant trees, other, carry water
4. because, we, work hard, tired, happy
5. all, know, stop… form, blow, and, city, make, beautiful
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It was fine last Sunday. We went to West Hill by bus. Some students planted trees, others carried water. Because we worked hard, we were tired, but we felt happy. We all know trees can stop the wind from blowing the sand towards the city, and they can make the city beautiful.