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          We can talk with friends on the Internet _______ it’s easier and cheaper. 
          A．thoughB．a(chǎn)sC．orD．but
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B 
          連詞。As用作連詞表示原因；句意：我們可以在網(wǎng)上與朋友們聊天是因?yàn)樗热菀子直阋恕?/div>
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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