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				  The  air in Beijing is getting much     now than a few years ago.    A.  clean            B.  cleaner           C.  the cleanest    D.  cleanest			【查看更多】
			


		
           
          


		
          
		
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          The air in Beijing is getting much ______ now than a few years ago.
          


          A. clean                 B.
cleaner          C.
cleanest         D. the cleanest
          


           
          

			
          
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          The air in Beijing is getting
much ______ now than a few years ago.
          


          A.
clean            B.
cleaner      C. cleanest         D.
the cleanest
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          The air in Beijing is getting much ______ now than a few years ago.
          

          [     ]
          A. clean              
          B. cleaner
          C. cleanest        
          D. the clcanest
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          The air in Beijing is getting much ______ now than a few years ago.
          

          [     ]
          A.clean 
          B.cleaner 
          C.cleanest 
          D.the cleanest 
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          

          The air in Beijing is getting much ________ now than a few years ago. 
          


          A. clean
          


          B. cleaner
          


          C. cleanest
          


          D. the cleanest
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


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