Mike Tam is a   l6-year-old boy. He has many good.___________-He exercises every morning and reads books every night. He is doing well in studies and his favorite _____________are science and history.

Both of Mike's parents are good swimmers. When Mike was four years old, his father _______________to teach him how to swim. After two months of learning, Mike could swim _____________ a fish.

Each week, Mike has to spend at least 16 hours _____________ He spends two hours practicing swimming every day before school. After morning practice, he goes to school by bike. He likes riding bikes,_____________it is good for his health.

On Saturday, he gets up at 7:00 a.m. He swims in the swimming pool for four hours. After that, he goes home to do his homework. He _____________watching movies, so he goes to the cinema every Sunday. “It is ___________to watch movies with my friends," he said. His parents often go to the swimming pool on weekends to encourage(鼓励) _____________ when they don't have to work.

Mike doesn't mind spending a lot of time practicing.“I love swimming, and practice can help me get good ______________________ in competitions(比赛)，”he said.

David, a 15-year-old boy from England, lives in Shanghai with his parents now. He is very healthy.     28    , he had some bad habits in the past. He liked to stay up late and he usually played computer games on the     29     at night. In the morning, he got up late and didn’t eat breakfast. For lunch and dinner, he ate junk food. He liked eating candies very much and he     30     ate them every day. And he hardly ever exercised.     31     his parents asked him to do sports, he never listened.

Last year, David often felt tired. His parents were worried about his     32    , so they took him to the hospital. The doctor told David that he was in poor health (健康欠佳). Then David decided to do something. “I’ll try to spend     33     time on the computer,” he said. “I’ll try to eat healthy food. And I’ll get up early and exercise at least     34     a week. Besides, I will do the housework with my parents     35    .”

Now he loves doing sports. After dinner, he often helps his parents with the     36    . On weekends, he hardly ever plays computer games. He also loves reading some English     37     such as Time in his free time. These good habits help him keep healthy.