◎ 题干
I heard that some patients who had undergone laser eye surgery experienced sudden
losses of vision, ______?
[     ]
A. didn’t I        
B. hadn’t they    
C. didn’t they   
D. isn’t it
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision, ______?[ ]A. didn’t IB. hadn’t they C. didn’t they D.…”主要考查了你对  【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。