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Now many children are getting fat because they do little e______. Some of them spend too much time watching TV. O______ have to spend a lot of time studying. So they don’t have e______ time to exercise.
A report says that many middle school students spend about 10 hours a day sitting down and more than 13 hours e _____ week watching TV. And many students like eating sweet food. That also m__ them fatter.
Do you want to be healthy but don’t know h______？ It is very i ______ to exercise and eat the right food. You don’t need to spend all day doing exercise to keep fit. In fact, you can exercise anywhere at any t______. Walking to school, c_______ the house or climbing stairs(楼梯) every day can h_____. Remember there are easy ways to keep fit. Doing exercise can make you feel good. That also helps you do better at school.