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题型：单选题 题类：常考题 难易度：普通
鲁教版（五四制）初中英语九年级Unit 1 When was it invented单元整合
— Yes. I_______ lots of time on it. It's a good way to kill time.
— Why? She'd better change her attitude or it will affect her study.
—No. But my flight to Beijing was because of it.
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