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.
Li Hua and I were neighbors and we went to same school. We always go to school together. We were good friend and had a great deal to share with every day. However,one day,Li Hua copied my homework,which made me such angry that I did not want to be friends with him any long. Then on Monday morning I ran downstairs without realize it was raining,but there was no time to return home to fetch an umbrella. It happens that Li Hua was just around the corner and he offered to share her umbrella with me. He made an apology to me in a gently voice. I forgave him but gave him a hug.