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、删除和修改。
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）每处错误及其修改仅限一词；
2）只允许修改10处，多者（从第11处起）不计分。
I am good at English and always get high marks in English test. Last month, an English speech contest held in our school. I take part on behalf of our class. Proud of my excellently English, I ignored my teacher's advice but didn't prepare for the contest at all. The important day came in. When it was my turn, I walked onto a stage confidently. However, the moment I saw the speech topic, my mind went complete blank. I was at a loss for words because I knew something about the topic. Filled with regret and shame, I learned a good lesson: pride comes after a fall.
