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题型:单选题 题类:常考题 难易度:普通
新目标(Go for it)版2018-2019学年初中英语九年级全册Unit 6 When was it invented? 单元练习
—Sweeping robots _________ more and more widely today. Why not buy one?
—I'm afraid we can't. Taking photos __________ in this museum.
—Actually,lots of convenience ____for us.
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