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          I    take care of my little sister at home today. 
          A．will canB．haveC．hadD．have to.
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D
          短語：have to 不得不，根據(jù)后文時間狀語today ，可排除C，A選項(xiàng)中will can不能同時使用可排除，have實(shí)義動詞，有，句意：我今天不得不在家照顧我的小妹妹。所以答案為D。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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