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				21．A．This          B．It          C．That         D．Its			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          We found                     very  difficult to learn Japanese. 
              
                 A．this                 B．that                 C．it                     D．its
              
          

			
          
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          ________is difficult to work on the Great Green wall.
          

          [　　]
          

          

          A．This
          B．It
          

          C．That
          D．Its
          

          

          

			
          
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          ________is easy to learn English.
          

          [　　]
          

          

          A．This
          B．That
          

          C．It
          D．Its
          

          

          

          

			
          
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          We find _____ important to use a foreign language
well.
          


          A．that              B．it                C．this              D．its
          


           
          

			
          
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          He found ________ important to study English well...
          

          [　　]
          

          

          A．it
          B．this
          

          C．that
          D．its
          

          

          

			
          
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