增加：在缺词处加一个漏字符号(A)并在其下面出该加的词。
删除：把多余的词用斜线(/)划掉。
修改：在错的词下面画横线，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。
We celebrated Teachers' Day in last month. Here are some detailed information. All the students participate in the celebration, that many activities were held. To begin with, we sent flower to the teachers to express our gratitude. Next, a student represent the whole school gave a speech to say thanks to our teachers. The teachers present were great moved.
Not only this activity praise the teachers' devotion to education, but it also offers an opportunity to strength the relationship between teachers and students. What a unforgettable and meaningful day!
