下面短文中有10处语言错误，请在有错误的地方增加，删除或修改某个单词。增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。
删除：把多余的词用斜线（╲）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2.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 for these goal we must doing several thing. Firstly, we should develop a good attitude to life. Life consisted of not only sunshine but also hard times. 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 my country but enjoy life better. In the order to study good, we need to do sports so that we can keep fit. We can go running, play ball games or simply go for walk after a day’s study. If we do those things well, we will be able to grow up happily.