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          "_____ has Mary been playing the piano?"
          "For three and a half hours."

          A. How soon 
          B. How long 
          C. How far 
          D. How often 
          			
          

			
			
			
		
          



							
          
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				來源：甘肅省期末題
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          "_____ has Mary been playing the piano?"
          "For three and a half hours."
          

          [     ]
          A. How soon 
          B. How long 
          C. How far 
          D. How often 
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：初中英語
				來源：
				題型：
			
          
									
          ---- _______ has  Mary been playing the piano?
              
          ---- For three and a half hours.
              
          A. How soon    B. How long       C. How far      D. How often    
          

			
          
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				科目：初中英語
				來源：
				題型：
			
          
									
          --_______ has Mary been playing the piano?
            
          -- For three and a half hours．
            
          A．How soon          B．How long        C．How far        D．How often
          

			
          
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