◎ 题干
It ______last week that the haze(雾霾) in Beijing caused many problems.
A.reportsB.reportedC.is reportedD.was reported
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It ______last week that the haze(雾霾) in Beijing caused many problems.A.reportsB.reportedC.is reportedD.was reported…”主要考查了你对  【并列连词】【从属连词】【therebe句型】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。