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。
Boys and girls,
May I have your fully attention, please? I have announcement to make. To welcome our friends in the United States, the Student Union was going to hold a party on Saturday evening, February 20. As never, the party will be held in the lecture hall of the Main Building. They will begin at 7 pm. There will be music, dancing, singing or exchange of gifts. Will everyone please to bring along a small gift for this purpose？Remember to pack it up, sign your name and writing a few words of good wishes. Don't miss the party, because I believe we will have a lot of funs there. Everyone is welcome.
That's all. Thank you.
