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短文。短文中共有10处错误，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（∧），并在此符号下面写出该加的词。

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。

    Great changes have taken place in the way of communication in people's life in recent years.

    In the past, people kept in touch with each other mainly by written letters or using the public telephone. But now almost everyone have his own mobile phone. People can communicate for each other almost at any place and at any time. What's more, people have easy access to the Internet, what enables them to send and receive e-mails whatever they like.

    With this changes, people's pace of life has been quickened and people's work has been made more efficiently. It is used to take several days to hear of each other, but now it takes only several minutes, even if they are on two different continents. In word, people have an easier life nowadays.