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                题目内容
                (广东开放大学-大学英语2)
            
            
                I don.t know who回答
America.
A. found
B. discovered
C. found out
D. looked for
                    
                    
                    
                
                
                
            
        America.
A. found
B. discovered
C. found out
D. looked for
参考答案