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           After Steven sent some e-mails ,he______ surfing the Internet.
          A．startsB．has startedC．will startD．started
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D 

          試題分析：句意:Steven發(fā)了一些電子郵件之后，他就開(kāi)始上網(wǎng)沖浪。start開(kāi)始，是一個(gè)動(dòng)詞。根據(jù)句意和上句話中Steven sent some e-mails可知，這里應(yīng)該用一般過(guò)去時(shí)。故選D。A是一般現(xiàn)在時(shí)；B是現(xiàn)在完成時(shí)；C是一般將來(lái)時(shí)。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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