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          Do you know how long our earth _____? 

          A. came into existence 
          B. came in existence 
          C. was in existence 
          D. has been in existence 
          			
          

			
			
			
		
          



							
          
				相關(guān)習(xí)題
			
          	
						
          
			
          
				科目：高中英語
				來源：0110    同步題
				題型：單選題
			
          
									
          Do you know how long our earth _____? 
          

          [     ]
          A. came into existence 
          B. came in existence 
          C. was in existence 
          D. has been in existence 
          

			
          
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