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				41．A．to  do          B．does          C．for doing             D．doing			【查看更多】
			


		
           
          


		
          
		
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          It's not difficult for one ________ a bit of good.
          

          [　　]
          

          

          

          A．to do 
          		


          B．does
          		


          C．doing
          		


          D．will do
          		

          

          

          

			
          
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          It's not difficult for one ________ a bit of good.
          

          [　　]
          

          

          

          A．to do 
          		


          B．does
          		


          C．doing
          		


          D．will do
          		

          

          

          

			
          
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          The boss made the man ________ everything for him.
          

          [　　]
          

          

          A．to do
          B．doing
          

          C．do
          D．does
          

          

          

          

			
          
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          The boss made the man ________ everything for him.
          

          [　　]
          

          

          A．to do
          B．doing
          

          C．do
          D．does
          

          

          

          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          

          ________ morning exercises is good for your health.
          

          [　　]
          

          

          A．Do
          B．Doing
          

          C．To do
          D．Does
          

          

          

			
          
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