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				18．―How many weeks are there in a year?   ―       .  A．Twelve    B．Twelfth        C．Twenty-four     D．Fifty-two			【查看更多】
			


		
           
          


		
          
		
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          —How many weeks are there in a year? 
            
          —_______.
            
          A．Twelve        B．Twelfth              C．Twenty-four         D．Fifty-two
          

			
          
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