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          A number of students _______ reading in the classroom now.
          A．isB．wasC．a(chǎn)reD．were
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          C 考查a number of和the number of的區(qū)別，前者意為“許多”，與many等同；后者意為“......的數(shù)量”，謂語用單數(shù)�！艾F(xiàn)在有很多學(xué)生在教室里讀書。”故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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