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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）初中英语七年级上册Unit 2 Section B同步练习
–No, we can't. We need _______ days.
—It's about 3.4 million.
We decided to {#blank#}1{#/blank#} {#blank#}2{#/blank#} for the Great Wall.
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