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题型：单选题 题类：常考题 难易度：普通
黑龙江省哈尔滨市第四十七中学2018届九年级（五四学制）上册英语期中考试试卷
—Yes. I ________there for half a month last summer holiday.
—I'm sorry. Children swim alone here.
— No, you .
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