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. 


          
	
          
		
	
          
	
          
		
          
			
		
          
		
          
	
          

          



          

          

          


          

          
	
          
				
          

			
				 It took a long time for the effective use of natural gas         ．    A. to be made  B. to make  C. being made   D. making			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
            
           It took a long time for the effective use of natural gas_________．
            
                 A. to be made        B. to make                    C. being made        D. making
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
           It  took a long time for the effective use of natural gas_________．
              
                 A.  to be made        B. to make                    C.  being made        D. making
              
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
           It took a long time
for the effective use of natural gas_________．
          


             A. to be made        B.
to make          C. being made       D.
making
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									

          It took a long time for the effective use of natural gas_________．
          A．to be madeB．to makeC．being madeD．making
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          

          It took a long time for the effective use of natural gas ________．
          

          

          [　　]
          

          A．to be made
          

          

          B．to make
          

          

          C．being made
          

          

          D．making
          

          

          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


          同步練習(xí)冊(cè)答案