假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
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。
As new students at an university in Boston, many of us were unfamiliar with the campus but frequently late for class．One professor, however, was absolute against being late, making clear that no excuse would be acceptable．So when a girl student came in his class one morning late, we expected the worst results．It left the professor so annoying that he demand the reason ．“The reason is that my waiting online to buy your new book．” She replied very nervously．Delighted at being admired , the professor asked the rest of the class , “ Well , how were not the rest of you late？”

科目 英语   题型 改错题   难度 中等

知识点： 短文改错