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				5．Research findings show we spend about two hours dreaming every night.no matter what we      during the day.  A．may be doing B．could have done C．must have done D．might have done  解析:句意:“研究調(diào)查結(jié)果表明.我們每天晚上花費(fèi)大約兩小時作夢.不管我們白天做過什么. no matter what...是讓步狀語從句.用“must have done 一定--和“could have done “本可.本能 .不合句意.答案是D(“might have done “也許 ).  答案:D			【查看更多】
			


		
           
          


		
          
		
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          Research findings show we spend   about two hours dreaming every night，no matter what we____
             
          during the   day.
             
          A．may be doing  B．could have   done  C．must   have done  D．might   have done
                       		     
           
              
           
          

			
          
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          Research findings show we spend about two hours dreaming every night，no matter what we            during the day．
              A．may have done    B．could do        C．must have done      D．would do
          

			
          
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