The Chinese improve the environment in China . A. in 1990s B. in the 1990 C. in the 1990s D. in 1990 year III.改错.选择有错的一处. 查看更多

 

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The Chinese improve the environment in China ______.  
[     ]
A. in 1990s      
B. in the 1990      
C. in the 1990s    
D. in 1990 year

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