短文改错（共10小题；每小题1分，满分10分）
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处错误，每句中最多有两处，每处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。
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。
You can not imagine what a dream I had last night. I dreamed that I took part in a race. At first, I could not to run very fast and fell behind. So I didn't lose heart and kept run. All the students on the playground cheer me on,  "Come on! "I was so encouraged that I ran faster and fast  till I caught up all the other runners. I felt as if I were flying like  a superman. In an end, I got to the finishing line first.   I won the race. I felt very proudly of myself. Many of my classmate threw me up into the air. Just at that time，I woke up and found me still in bed!