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          一Let’s start to make dinner!
          一Mom , it’s best to read the instructions         using the new microwave oven.
          A．before B．but C．a(chǎn)nd D．or 
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          

          解析試題分析：句意：讓我們開始做晚餐吧!媽媽,在用新微波爐之前最好先看看說明. A．before在……以前；       B．but但是；C．a(chǎn)nd 和；D．or否則。結(jié)合句意，故選A
          考點：考查連詞的用法。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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