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          Nowadays it’s very useful ______ a foreign language.
          A．learnB．learnedC．to learnD．learns
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：當(dāng)今學(xué)習(xí)外語(yǔ)非常有用。強(qiáng)調(diào)句式， It is adj for sb to do sth，做某事對(duì)某人來(lái)說(shuō)怎么樣。本句中it是形式主語(yǔ)，指代后面不定式內(nèi)容做形式主語(yǔ)，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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