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 查看更多

 

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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

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