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          Oliver still bought some goldfish ________he found it difficult to raise them.
          A．becauseB．sinceC．thoughD．until
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          詞義辨析。Because因為；since   自從，因為；though盡管；until直到。句意：Oliver仍然買了一些金魚盡管他發(fā)現(xiàn)飼養(yǎng)它們很難。所以選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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