根据中文设置的情景和英文提示词语，写出语法正确，意思连贯的句子。所给的英文提示词语必须都用上。
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
　　___________________________________

　　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.