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l0处，多者（从第11处起）不计分。

    I used to going to the countryside to draw animals and plants. One day I was walking across a field, looking rabbits to draw. Losing in thought, I hadn't noticed a bull to running towards me. About 100 meters ahead was a tree under that I would sit and draw. Suddenly, I heard the noise behind me. I turned and saw the bull. Knowing a bull can run more faster than a man, I quickly reached the tree and climb up. From there I saw the bull kicking my food bag with it feet. It kept doing this for 15 minute and moved away. But I was quite nervous in the tree.