◎ 题干
The Smiths live in ______ building. They use a lift to go up and down.        
[     ]
A. a 8-story  
B. a 8-stories  
C. an 8-stories    
D. an 8-story
◎ 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“The Smiths live in ______ building. They use a lift to go up and down. [ ]A. a 8-storyB. a 8-storiesC. an 8-storiesD. an 8-story…”主要考查了你对  【不定冠词(a,an)】【形容词】  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。