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题型：单选题 题类：常考题 难易度：普通
外研版英语九年级上Module 12 Unit1 If everyone starts to do something, the world will be saved.同步练习
— No, I think we need _______ boys.
The news{#blank#}1{#/blank#} {#blank#}2{#/blank#}the school quickly.
The students should collect waste{#blank#}1{#/blank#} {#blank#}2{#/blank#}be used again.
ill; cause; pollute; such as; little
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