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… form¹, blow, and, city, make, beautiful

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　　It was² fine last Sunday. We went to West Hill by bus. Some students planted trees, others³ 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 towards⁴ the city, and they can make the city beautiful.