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          _____ with the studies of all his students Mr. Johnson went to school as soon as he finished the meeting. 

          A. Concerning 
          B. Concerned 
          C. To concern
          D. Being concerned 
          			
          

			
			
			
		
          



							
          
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				科目：高中英語
				來源：同步題
				題型：單選題
			
          
									
          _____ with the studies of all his students Mr. Johnson went to school as soon as he finished the meeting. 
          

          [     ]
          A. Concerning 
          B. Concerned 
          C. To concern
          D. Being concerned 
          

			
          
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