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				29．--None of us can work out the maths  problem．  --If Tom           here.he             it out．He is so clever． A．were,would work  B．was,will work  C．is,will work  D．were,have worked			【查看更多】
			


		
           
          


		
          
		
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          --None of us can work out the maths problem．
            
          --If Tom _________ here，he ___________ it out．He is so clever．
            
          A．were；would work    B．was；will work    C．is；will work    D．were；have worked
          

			
          
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