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题型:单选题 题类:常考题 难易度:普通
人教新目标版九年级Unit6 When was it invented? Section B同步练习
— She thinks she .
一 That's true. It is not often seen in our daily lire.
—Thanks for telling me about that.
— I think it's ____, but some people think it's so _____ .
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