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          There were          different kinds of dinosaurs in the word in the past.
          A．hundred ofB．two hundred ofC．hundreds ofD．two hundreds of
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          根據(jù)hundred的用法.可知hundred前無論加什么數(shù)詞.其后不加s.而hundreds of前不加任何數(shù)詞.故選C
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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