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    If you have trouble pronouncing the word, you can repeat it over and over again _______ you are comfortable with it.
    A．unless B．if 
    C．until  D．while 
    			
    


			
    

		
    
		
		
	
    
		
    
			
    
				
    
				
    C
    

    解析試題分析：句意：如果你在這個單詞的發(fā)音上有問題，你可以一遍又一遍的重復(fù)知道你讀順為止。A. unless“除非”；B. if“如果”；C. until“直到…”；D. while“當(dāng)…時候”。結(jié)合句意，故選C。
    考點：考查連詞的辨析。
    				
    
							
    
			
    
			
    
			
			
    
		
    
	
    

		
    

		





			
    
		
    
		
				
    
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