The son starts school and is going to start on his great 1) a__________ in the world. To her mother, the adventure will probably include wars, 2) t_________, and sorrows, and it takes 3) f_______, love, and courage to live in the world. Therefore, she writes a letter to World and asks World to treat her son 4) g_______. The mother hopes World would teach her son the following things:• to look at the positive side of life; • the 5) w________ of books; • the eternal 6) m__________ of all kinds of living things; • never to cheat;• to have faith in his own ideas;• never to betray (背叛) his heart and soul;• to 7) f________ if he thinks he’s right.The mother asks World to do what he can do to teach her beloved nice little 8) f________.