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          Students in the USA spend     time      their homework than we do.
          　    
          A．little , to doB．little, doing
          C．less , doingD．less , do
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          根據(jù)后文有than，可知本題使用比較級，所以第一空應(yīng)該為比較級，而spend 后接doing sth，故選答案為C
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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