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                题目内容
                (兰州工业学院-大学英语二)
            
            
                1
【单选题】All passengers are required to show their_.
A、tickets
B、ticket
C、ticketes
D、ticketion
                    
                    
                    
                
                
                
            
        【单选题】All passengers are required to show their_.
A、tickets
B、ticket
C、ticketes
D、ticketion
参考答案
 
                