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				 I didn’t know his telephone number.      it, I      then.    A. Had I known, would ring him up    B. Should I know, would have rung him up     C. If I knew; would ring him up     D. Had I known; would have rung him up			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          I didn't know his telephone number．________ it, I ________ then．

          1. A.
            If I had known; would have rung him up
          2. B.
            Should I know; would have rung him up
          3. C.
            If I knew; would ring him up
          4. D.
            Had I known; would ring him up
          

			
          
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          I didn't know his telephone number．________ it, I ________ then．
          

          

          [　　]
          

          A．

          If I had known; would have rung him up
          

          

          B．

          Should I know; would have rung him up
          

          

          C．

          If I knew; would ring him up
          

          

          D．

          Had I known; would ring him up
          

          

          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          

          I didn’t know his telephone number．_________ it, I _________ then．
          

          

          [　　]
          

          A．

          Had I known, would ring him up
          

          

          B．

          Should I know, would have rung him up
          

          

          C．

          If I knew; would ring him up
          

          

          D．

          Had I known; would have rung him up
          

          

          

			
          
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