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                题目内容
                (河南财经政法大学大学英语(4))
            
            
                No attempt has been made to ____ a complete bibliography of these writings.
A.provide
B.secure
C.ensure
D.inform
                    
                    
                    
                
                
                
            
        A.provide
B.secure
C.ensure
D.inform
参考答案
 
                