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题型：单选题 题类：常考题 难易度：普通
外研版英语七年级上册Module 8 Unit 3 Language in use. 同步练习
-- Yes. But now the people here are trying hard to make the air become better and _____.
—In 1990.
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} the workers {#blank#}4{#/blank#} from the countryside.
Don't{#blank#}1{#/blank#} {#blank#}2{#/blank#} your dream. Work hard and you'll be successful.
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