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          It’s hard-working ____ him to spend three hours ____ the library on Sunday. 
          A．for; inB．for; onC．of; inD．of; on
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：for為了,對于;in在里面;on在上面;of關(guān)于,……的。句意：對于他來說星期日在圖書館度過三個(gè)小時(shí)是一項(xiàng)艱苦的工作。結(jié)合語境可知選C。
          點(diǎn)評：英語介詞的一個(gè)特點(diǎn)是一詞多義，并且介詞間語義交叉現(xiàn)象很多，習(xí)慣用法也很多，有時(shí)很難從詞義上區(qū)分開來。故學(xué)習(xí)中要注意不斷總結(jié)，熟記一些介詞和動(dòng)詞的固定搭配用法及習(xí)慣用法，是完成此類問題的捷徑。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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