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题型:单选题 题类:常考题 难易度:普通
仁爱科普版九年级上Unit 4 Amazing Science Topic 1 When was it invented?同步练习1
— A one-way ticket _______ $40,and you can _____ another $20 for a round-trip.
–Let's _______ it this Sunday.
—No, I____________.
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