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。错误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。

Silina used to dreaming of being a singer and she has relied her confidence to practice singing for 10 years. Although she was turned up by many bands because she was overweight, she never gave up and stuck to sing. At the same time, she has lost weight successful by keeping a balanced diet and exercising regularly, in which has earned her success. Now his voice is familiar to everyone. She attaches great importance on not giving up and working hard! When talked about her past, she said: “Success is not always the easy thing and if we want to succeed, we must devote ourselves to it.”