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          — Has the doctor arrived yet? 
          — No, she _____ an hour ago. 

          A. has to come 
          B. ought to have come 
          C. should come 
          D. used to come 
          			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
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			請(qǐng)?jiān)谶@里輸入關(guān)鍵詞：
					
					
			
          
			
          
			
          
		
          
	
          
		
		
          
			
          
			
			
		
          



							
          
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          — Has the doctor arrived yet? 
          — No, she _____ an hour ago. 
          

          [     ]
          A. has to come 
          B. ought to have come 
          C. should come 
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          -----Has  the doctor arrived yet?
              
          -----No,she _______an hour ago.
              
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          —Has the doctor arrived yet?
            

          —No, she ________ an hour ago.
            

          [　　]
            
  

            

          A．has to come
          B．ought to have come
            

          C．should come
          D．used to come
            

            
  

          

			
          
				查看答案和解析>>
			
          
		
          
					
          
	
          
		
          


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