题目内容：

七年级英语小作文60-80词
给地球所有小朋友写一封信 关于环境保护 人口危机的,用英语写,不少于六十词,不多于八十词.

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In the past,there are a great deal of old and short houses,many people dressed in the same clothes,the market is small and dirty,but now great changes has happened in my hometown.The roads are became ...