短文改错（共10小题；每小题1分，满分10分）
文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧），在其下面写上该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
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11处起）不记分。
It would be difficult to imagine modern life with the telephone. It has become an useful instrument of communication, save much time and travel by enabling people to talk one another over great distances. Nowadays it is so easy to talk cross a continent or even overseas as it is to talk to one's next-door neighbor. Therefore, it is in emergencies which the telephone really proves its usefulness. When there is a fire , and when someone is suddenly ill , the first thing one thinks of it is " Where is the nearest telephone?"