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				 -  Did David go to school yesterday?     -  No,          he had a bad cold.A. because        B.  if               C.  though			【查看更多】
			


		
           
          


		
          
		
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          —Did David go to school yesterday? 
          —No, ________ he had a bad cold. 
          

          [     ]
          A. because 
          B. if 
          C. though 
          

			
          
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          －Did David go to school yesterday?
          

          －No, ________ he had a bad cold．
          

          

          [　　]
          

          A．because
          

          

          B．if
          

          

          C．though
          

          

          

			
          
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