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题型：单词拼写（语篇） 题类：常考题 难易度：普通
新版牛津上海版（深圳用）六年级上册英语Unit 12 The Earth同步练习
The Earth wasandin the past，but now some parts are．We should stop throwinginto rivers．We should stop cuttingso many trees and usingbags．
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