保护地球英语小作文
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保护地球英语小作文
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第一个Nowadays,the pollution of the Earth is more and more serious and becoming one of the most serious problems of the world.It is our duty to save our earth.How can we prevent our earth from polluti...
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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