![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
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: