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                题目内容
                (武汉科技大学大学英语(二))
            
            
                I fell and hurt myself while I ________ basketball yesterday.
(2分)
A was playing
B am playing
C play
D played
                    
                    
                    
                
                
                
            
        (2分)
A was playing
B am playing
C play
D played
参考答案
 
                