题目内容：

假段定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有

10处语言错误，每句中最多有两处。错误仅涉及一个单词的增加、删除或修改。增加：在缺词处

加一个漏字符号()，并在其下面写出该加的词。删除：把多余的词用(＼)划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均仅限一词；

1． 只允许修改10处，多者（从第11处起）不计分。

We all want to grow up happily and healthy, and for this goal we must do several things. Firstly, we should develop good attitude for life. Life consist of not only sunshine but also hard time. We should be brave in front of difficulties. Secondly, we must study hard because of knowledge is power. If we have the power, we can help to build your country and enjoy life better. In order to study well, we need to do sport so that we can keep fitness. We can go running, playing ball games but simply take a walk after a day’s study. If we do those things well, we will be able to grow up happily and healthily.