一个英文小短文的改错Today,there are many problems among parents and ch

一个英文小短文的改错
Today,there are many problems among parents and children.Many people always ask:"Why do we often argue?"Parents show them love their children in different way.
They cook nice food and buy new clothes for him.They also care about their studies.Parents always say,"You must work hard."or"Why not to review for your exam?"all the times.When children get bad marks,their parents get angrily.They often stop their children watch TV,playing games and even going outside.Why?Most families have only one child.The child is hope of the family ,so they want the child to be the best.
呃...这是改错题...这篇短文没有错误么？