◎ 题干
It's the first time that he has been to Australia, ________?
[     ]
A. isn't he  
B. hasn't he
C. isn't it  
D. hasn'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“It's the first time that he has been to Australia, ________?[ ]A. isn't heB. hasn't heC. isn't itD. hasn't it…”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。