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题型：单选题 题类：常考题 难易度：普通
外研版英语九年级上册Module 1 Unit 2 The GrandCanyon was not just big. 同步练习
— About two hours.
— Sorry. I won't.
—Sorry, I'll _____ my shoes and wash them at once.
—The machine made a terrible _____ so we couldn't _____ each other.
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