◎ 题干
The dentist didn't _____ until it was nine o'clock.      
[     ]
A. show to                  
B. show off      
C. show around              
D. show up
◎ 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“The dentist didn't _____until it was nine o'clock.[ ]A. show to B. show offC. show around D. show up…”主要考查了你对  【动词短语】  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。