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                题目内容
                (国家开放大学人文英语2)
            
            
                The police officer is determining who is going to be responsible ______ the traffic accident. 
选择一项:
A.
in
B.
on
C.
for
                    
                    
                    
                
                
                
            
        选择一项:
A.
in
B.
on
C.
for
参考答案