◎ 题干

Many businesses must have been badly influenced during that financial crisis, ________?
A.haven’t theyB.didn’t theyC.must’t theyD.weren’t they
◎ 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“Many businesses must have been badly influenced during that financial crisis, ________?A.haven’t theyB.didn’t theyC.must’t theyD.weren’t they…”主要考查了你对  【一般疑问句】【特殊疑问句】【反意疑问句】  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。