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				40．--Did  you           to play the piano?--Yes.I liked that a lot．A．used          B．use           C．be  used        D．be useFood is very important．Everyone needs to   41   well if  he or she wants to have a strong body．Our minds also need a kind of food．This kind of food is   42  ．We begin to get knowledge avail when we  are very young．Small children are   43   in everything around them．They  learn   44   while they are watching and listening．When  they are getting older.they begin to   45   story books.science  books-.anything they like．When they find something new.they  love to ask questions and   46   to find out the answers．What is the best   47   get knowledge? If we learn   48    ourselves.we will get the most knowledge．If we are   49   getting answers  from others and do not ask why.we will never learn well．When we  study in the right way.we will learn more and understand   50  ．			【查看更多】
			


		
           
          


		
          
		
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          --Did you _________ to play the piano?
            
          --Yes，I liked that a lot．
            
          A．used             B．use           C．be used            D．be use
          

			
          
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