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				 I carefully poured the liquid into the water, my classmates       anxiously beside me to see what would happen.   A. stood B. standing C. to stand D. were standing			【查看更多】
			


		
           
          


		
          
		
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          —Oh, you have made the same mistake again.
            

          —________ . How ________ I was!
            

          [　　]
            
  

            

          A．So I have, careless
          B．So have I, careless
            

          C．So I have, careful
          D．So have I, careful
            

            
  

          

			
          
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          I failed again. If only I ________ careful enough!
          

          [　　]
          

          

          A．was
          B．had been
          

          C．would be
          D．a(chǎn)m
          

          

          

			
          
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           I  ____good marks in the maths exam. If only I____ careful enough. 
              
          A. can have got,  was　　　　 B. could have got, had  been  
              
          C must have got, were　　　  D should have  got, would be
              
                           
          

			
          
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          —Look, young man! Where is your foot?
          

          —Sorry, I ________ careful.
          

          [　　]
          

          

          A．a(chǎn)m not
          B．was not
          

          C．wasn't being
          D．should be
          

          

          

			
          
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          I failed again. If only I ________ careful enough!

          1. A.
            was
          2. B.
            had been
          3. C.
            would be
          4. D.
            am
          

			
          
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