试题 试卷
题型：单选题 题类：常考题 难易度：普通
安徽省阜阳市第九中学2018届九年级上学期英语期末考试试卷
—Because my alarm clock didn't go off and I ．
— Sure. They lots of tourists from home and abroad every year.
— Oh, bad luck! It means that we can't call others to help us.
— Yes. People should take action to _______________ air pollution.
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