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。
There are a lot of unforgettable thing in our life. The most unforgettable one for me is the speech competition holding last year. When my English teacher told me that I had chosen to take part in the speech competition, I devoted me to the preparation. I was determined to win the first prize. I was such nervous when I stood on the stage that I forgot everything. Not until I caught a sight of my teacher did I calm down. Finally, I do a good job. When I heard I got the first prize, my heart was filled in joy and tears rolled down. Through this speech competition, I understand that it is confidence which makes people successfully.
