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】
