题目内容：

Have you ever had problems in your life? Have you ever wondered how to be happy? If so, you will find the book “Being a Happy Teenager” 1.  (use). In his book, Matthews tells us how to have a happy life and answers the questions of teenagers.

About problems with parents and friends, the book says we should stop   2.   (be) angry and forgive. The book tells us some skills such as how to put everything 3.   we have learned from life into beautiful pictures.

Many teenagers think that 4.  (happy) comes from a good exam result or praise from 5.  people. But you can still be happy 6.  there are no such “good” things.

Success comes from 7. good attitude. If you learn from problems, you 8.  (have) success in the future.

Some school students have problems such as being too tall 9. too short. But Matthews tells us that we should think about things 10.  a positive way. This is Matthews’ most important lesson: you choose to be happy!