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    【題目】My skating teacher was really great and ______ I knew it, I was able to skate!
    A.beforeB.since
    C.untilD.after
    			
    


			
    

		
    
		
		
	
    
		
    
			
    
				
    
				
    【答案】A
    【解析】
    考查連詞辨析。句意：我的滑冰老師真的很棒，在我知道這一點之前，我已經(jīng)會滑冰了。A. before在……之前；B. since自從；C. until直到；D. after在……之后。根據(jù)“I knew it, I was able to skate!”可知此處表示“在……之前”，故A項正確。
    				
    
							
    
			
    
			
    
			
			
    
		
    
	
    

		
    

		





			
    
		
    
		
				
    
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