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				 Jack almost fell off the cliff, but managed to       until help came.   A. keep on B. catch on C. count on  D. hang on  [答案]D. hang on.  [注釋]hang on(=hold fast, keep hold)牢牢抓住.抓緊不放:Help! I can't hang on much longer.keep on繼續(xù),catch on 理解,count on 指望.依賴.  本題譯文:杰克差點從懸崖上掉下來.但得以抓住不放直到得救.			【查看更多】
			


		
           
          


		
          
		
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          Jack almost fell off the cliff, but managed to _____ until help came.
            
                   A. keep on    B. catch on    C. count on    D. hang on
          

			
          
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          Jack almost fell off the cliff, but managed to _____ until help came.
            
           A. keep on    B. catch on    C. count on     D. hang on
          

			
          
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            Jack almost fell off the cliff, but managed to _____ until help came.
            
          A. keep on   B. catch on  C. count on    D. hang on
          

			
          
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          . Jack almost fell off the cliff, but managed to _____ until help came.
            
           A. keep on   B. catch on  C. count on    D. hang on
            
            
          

			
          
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           Jack almost fell off the cliff, but managed to _____ until help came.
            
             A. keep on    B. catch on    C. count on    D. hang on
          

			
          
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