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          ---How old ________ you?
          ---I ______ ten years old.
          A．a(chǎn)re; amB．a(chǎn)re; isC．is; amD．is; are
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析:how old是用來(lái)詢(xún)問(wèn)年齡，此句的主語(yǔ)是you，故謂語(yǔ)動(dòng)詞be要用are。而答語(yǔ)中，句子的主語(yǔ)是I是第一人稱(chēng)單數(shù)故用am。故此題的答案選A。
          點(diǎn)評(píng)：be動(dòng)詞意思和用法很多，一般的意思是：是，此種用法，有多種變化形式，is，am，are，was，were，being，been，to be.另外，be動(dòng)詞還有成為的意思。根據(jù)句子中不同的人稱(chēng)、數(shù)和時(shí)態(tài)，應(yīng)該選擇相應(yīng)的be動(dòng)詞。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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