阅读短文，回答问题。

　　Have you ever had problems in your life and don't know how to be happy?If so, you will find “Being a Happy Teenager” by Australian writer Andrew Matthews useful．

　　[Andrew Matthews] is a writer, cartoonist(漫画家)and speaker．His books have been translated into 20 languages．He has been on over 2000 radios and TV programmes．

　　In this book, Matthews tells us how to have a happy life and answers the questions of teenagers．

　　There are many topics such as parents and friends, and the book says we should stop being angry and forgive(原谅)．The book tells us of useful skills such as how to put what you have learned into pictures of your mind to make your memory better．Many teenagers think that happiness comes from a good exam marks or praise from other people．But you can still be happy when there are no such "good" things．

　　Success comes from a good attitude(态度)．If you learn from problems, you will have success in the future．

　　Some school boys have problems such as being too tall or too short．But Matthews tells us happiness comes from thinking about things in a positive(积极的)way．

　　If you are tall, people notice you and you can get a better view at the movie; if you are short, your clothes and shoes take less room in your bedroom!This is Matthews’ most important lesson：you choose to be happy!

1．What is Andrew Matthews?

He is a ________．

2．How many languages have his books been translated into?

They have been translated into ________．

3．What does Matthews do in his book?

He tells teenagers ________ and answers some questions．

4．What does the book suggest you do to make your memory better?

I may ________ to make my memory better．

5．Why can people still be happy when they meet with problems?

Because you will have success in the future ________．