Playing computer games is viewed one of the most important factors resulting in a sense of emptiness, which has a bad effect students' growth. Li Hua, one of my classmates,(addict) to computer games, and that's he wants to drop out of school. His parents are concerned his life and study, so they wish me to do a favour(persuade)Li Hua to get out of the bad habit and learn some skills (concern) health. my view, we should concentrate ourselves on positive and relaxing things. Only those who focus their studies will (admit) to a key university because it wasn't easy to gain(admit)to the key university.