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          As students, we are supposed to spend more time _________ . 
          A． studyB．studiedC．studyingD．to study
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          主語(yǔ)+spend time doing sth，表示花費(fèi)時(shí)間做某事，故選答案為C
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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