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				 Galileo lived in the city of Pisa in the 1600’s, about 400 years ago,      , as is known to us all, there is a leaning tower about 180 feet high.                   A. when     B. as       C. where      D. there			【查看更多】
			


		
     
    


		
    
		
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    Galileo lived in the city of Pisa in the 1600’s, about 400 years ago, _____, as is known to us all, there is a leaning tower about 180 feet high.         
       A. when      B. as       C. where       D. there 
     
     
    

			
    
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