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          He promised to pick me up at the school gate. However, he      yet.
          A、hasn’t arrive
          B、didn’t arrive
          C、doesn’t arrive
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：句中有yet，多用現(xiàn)在完成時(shí)。句意：他答應(yīng)在學(xué)校大門口來(lái)接我的�？墒撬�沒有出現(xiàn)。故選A.
          點(diǎn)評(píng)：動(dòng)詞的時(shí)態(tài)是學(xué)習(xí)英語(yǔ)過(guò)程中非常重要的知識(shí)�，F(xiàn)在完成時(shí)表示動(dòng)詞在過(guò)去發(fā)生對(duì)現(xiàn)在造成的影響。現(xiàn)在完成時(shí)往往和already,yet,for+一段時(shí)間，since+點(diǎn)時(shí)間的時(shí)間狀語(yǔ)連用。一般過(guò)去時(shí)只表動(dòng)詞在過(guò)去發(fā)生，一般現(xiàn)在時(shí)表示習(xí)慣性的動(dòng)詞或是客觀真理、事實(shí)。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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