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题型：单选题 题类：常考题 难易度：普通
初中英语牛津版（深圳·广州）七年级下册Module 3 Natural elements Unit 6 Electricity同步练习
—Yes， of course.
—Why not ________ visiting Beijing? There are so many places of interest there.
—For three days.
—Sorry, I have no idea. But it has changed the world greatly.
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