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题型：填空题 题类：常考题 难易度：普通
外研版英语九年级上Module 12 Unit3 language in use同步练习
environment pollute product reuse
Air pollution can {#blank#}1{#/blank#} people {#blank#}2{#/blank#}.
It's {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} him the truth.
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