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题型：单选题 题类：常考题 难易度：普通
牛津版（深圳•广州）2017-2018学年初中英语八年级下册Module 1 Unit 2单元综合能力检测题（音频暂未更新）
—Chinese.
— I can't sleep well from time to time. The ___________of my problem is that there is often much noise near my building.
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