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题型：单选题 题类：常考题 难易度：普通
仁爱科普版九年级上Unit 2 Saving the earth. Topic 1 Pollution has causestoo many problems.同步练习1
- Don't worry. I can some you.
—OK. We three will use one book.
—You be joking! Don't you know I'm afraid of water?
— Let's go together this Saturday, shall we?
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