题目内容：

假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。每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：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，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；

2. 只允许修改10处，多者（从第11处起）不计分。

Nowadays, have sports is becoming more and more popular. As we know, a person who keeps on taking exercise regular will keep fit and live happy life.

My favourite sport is playing basketball. After school I usually spent half an hour on it, that not only builds up my body but also makes me refreshed. Playing basketball help me relax after a period of tired study and improves my study efficiency. Because playing basketball needs cooperation, so I have learned the spirit of teamwork. It is also a good way for me to make new friend. In a word, playing basketball enriches my life and makes me more confidence.

Come on! Let’s do sports together and enjoy a healthy life.