试题 试卷
题型：单选题 题类：常考题 难易度：普通
牛津译林版2019-2020学年九年级上学期英语期末模拟测试卷（二）（含听力音频）
—And he was warmly welcomed by Donald Trump, ____ 45th American president.
-- Yes. But now the people here are trying hard to make the air become better and _____.
— Of course you should. But not everyone knows how that.
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