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          It’s not good for people __________ waste water (污水) into the river.
          A．to putB．puttingC．to pourD．pouring
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          本題的主語為動詞短語把污水倒入河里，用形式主語it做主語，真正的主語位于句尾，用動詞不定式to do，故選C,傾倒是pour，A意思不符，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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