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Every year, on March 12th, our school will have the special activity. We need to plant trees in the campus. We are so excited to see trees growing every day. The tree I planted last year now is very tall. I am so proud to see its growth. I have made a contribution to bringing the world green and protecting the environment. 每年3月12日，我们学校都有特别的活动。我们要在校园里植树。我们很兴奋看到小树每天在不断的生长。我去年种的树现在已经长得很高了。看到它的生长我很自豪。我为世界贡献了绿色，保护了环境。 | 
