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题型：单选题 题类：常考题 难易度：普通
初中外研（新标准）版八年级英语下册Module 1 Feeling and impressions Unit 3 Language in use同步练习
-More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
—Thank you very much.
—OK. Let me see.
—You're welcome. In fact, I only helped you with the money.
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