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				42．A．before         B．after       C．until       D．in			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          

          I'll phone you ________ I arrive in London．
          

          

          [　　]
          

          A．before
          

          

          B．after
          

          

          C．until
          

          

          D．as soon as
          

          

          

			
          
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          ________ we were singing happily, he came in．
          

          

          [　　]
          

          A．While
          

          

          B．After
          

          

          C．Until
          

          

          D．Before
          

          

          

			
          
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          I met your brother ______ I was walking in
the street.
          


          
 
          
  
  
          A．before
          
            		
  
  
          B．until
          
            		
  
  
          C．after
          
            		
  
  
          D．while
          
            		
 
          

          


           
          

			
          
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          The student didn't stop talking ________ the teacher came in.
          

          [　　]
          

          

          A．when
          B．after
          C．until
          D．before
          

          

          

			
          
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          The student didn't stop talking ________ the teacher came in.
          

          [　　]
          

          

          A．when
          B．after
          C．until
          D．before
          

          

          

			
          
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