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          Ladies and gentlemen, please fasten your seat belts. The plane _____. 

          A. takes off 
          B. took off 
          C. has taken off 
          D. is taking off 
          			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
				D				
          
			
          
			
          
				
          
			
          
			
          
				
          
			
          
			
          
				
          
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