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				 ---You may find the key to the maths problem on Page 18.  ---Ah, It’s so simple. I wonder why I    out that.  A. hadn’t thought   B. haven’t thought  C. didn’t think    D. wouldn’t think			【查看更多】
			


		
     
    


		
    
		
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    ---You may find the key to the maths problem on Page 18.
     ---Ah, It’s so simple. I wonder why I      out that.
     A. hadn’t thought     B. haven’t thought    C. didn’t think    D. wouldn’t think
     
     
    

			
    
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