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。
One morning an old man took his six donkeys to the market. After a time, he got tired and got on one of them. He counted the donkeys and there were only five. And he got off and went to look for the six. He looked again and again, but he didn't find them. So he went back the donkeys and counted them again. To his surprised. This time there were six. So he got on one of them again and they started.
After a few minute, he counted the donkeys again, and again there were only five! He become confused. Just then a friend of him passed him. The old man said to him. "I left my house about six monkeys. Then I had five, then I had six again, and now I have only five! Look out! One, two, three, four, five. "But.'' said his friend, "You are sit on a donkey, too. This is the sixth. And you are the seventh!"
