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          My brother is _______ homework. He often ______ homework at homework.
          A．does, doingB．doing, do
          C．do, doingD．doing, does
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
           D

          試題解析：此題考查的是一般現(xiàn)在時(shí)和現(xiàn)在進(jìn)行時(shí)的區(qū)別，根據(jù)題意，第一空說的是我的哥哥正在做作業(yè)，現(xiàn)在進(jìn)行時(shí)的結(jié)構(gòu)：主語 + be + V-ing形式, 排除答案A,C. 第二空考查的是一般現(xiàn)在時(shí)態(tài)，主語是第三人稱單數(shù)形式。謂語動(dòng)詞也要用第三人稱單數(shù)形式。因而得出正確答案D。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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