2009年12月英语四级作文真题:建设绿色校园

过渡词很丰富，衔接词同时使用的恰到好处；文章用词太过单一，请作者增加词汇丰富度；简单句稍微有点多，可适当增加从句使用；

what we all known is that creating a green campus is very important for everyone of whom study at school.Not only do we feel relax but also feel very comfortable in a green campus environment.The green campus not only means the color of the situation is green but also the green rules at school.