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          – _________ do you go to your school library?
          – Three times a month
          A．How long B．How oftenC．How much D．When
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          Three times a month表示頻率
          頻率的提問應(yīng)用 How often
          故選B
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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