日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        
<legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>
        <strong id="o5kww"><u id="o5kww"></u></strong>
        

        2. 


          
	
          
		
	
          
	
          
		
          
			
		
          
		
          
	
          

          



          

          

          


          

          
	
          
				
          

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


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          

          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>>
			
          
		
          
				
          
									
          

          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．cleanB．cleanerC．cleanestD．the cleanest
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          The air in Beijing is getting much ______ now than a few years ago.
          A．cleanB．cleanerC．cleanestD．the cleanest
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


          同步練習(xí)冊答案