Food is very important. Everyone needs to ______ well if he or she wants to have a strong body. Our minds also need a kind of food. This kind of food is ______.We begin to get knowledge even ______ we are very young. Small children are ______ in everything around them. They learn ______ while they are watching and listening. When they are getting older, they begin to ______ storybooks, science books.., anything they like. When they find something new, they love to ask questions and ______ to find out answers. What is the best ______ to get knowledge? If we learn by ourselves, we will get ______ knowledge. If we are _______ 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 better.