It is common（常見的） for teenagers to have problems. Some students say they have become fat and that it really makes them feel bad about themselves. In fact, we can do something about it.
First, eat less. You'll become fat if you eat more than（多于） your body needs. Also, eat more vegetables instead of（而不是） meat. Second, do more exercise（多鍛煉）. There are many ways to do exercise. For example, you can go to school on foot or by bike.
Don't worry too much. If you do the things above（上述的）, I think you will become fit（健康的） soon.
高分句型：
①It is common for teenagers to have problems.青少年有問題是很常見的。
（固定句型：It is+形容詞+for sb.+to do sth.
該句型中，it是形式主語，真正的主語是動(dòng)詞不定式。）
②You'll become fat if you eat more than your body needs.如果你吃得比身體需要的多，你會(huì)變胖的。
（if引導(dǎo)條件狀語從句，主句用一般將來時(shí)，從句用一般現(xiàn)在時(shí)表示將來）
