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				4．Mr. Smith's plane             ．Let's wait for him here．  A．hasn't arrived    B．didn't arrive     C．doesn't arrive    D．couldn't  arrive			【查看更多】
			


		
           
          


		
          
		
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          Mr Smith's plane ________ Let's wait for him here.
          

          [     ]
          A．hasn't arrived             
          B．didn't arrive
          C．doesn't arrive             
          D．couldn't arrive
          

			
          
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