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题型：语法填空（单句） 题类：常考题 难易度：普通
外研（新标准）版2018-2019学年初中英语九年级上册Module 6 Unit 1 同步练习
—It ________ worse unless we ________ action to protect the environment.
{#blank#}1{#/blank#}read the book carefully, you will not make mistakes.
— A little. But I will stop them in a friendly way.
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