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				  After having the summer camp with the American students, we agree          as  pen friends.  A. to stay in touch           B. staying in  touch  C. stay in touch              D.  stayed in touch			【查看更多】
			


		
           
          


		
          
		
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          After having the summer camp with the American students, we agree ________ as pen friends.
            
          A. to stay in touch                   B. staying in touch
            
          C. stay in touch                       D. stayed in touch
          

			
          
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