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。

Tea has a long history in China, dated back to 5, 000 years ago.

Obvious, it plays a important part in Chinese culture. A good many of distinguished poets and writers had written many masterpieces about the appreciate of tea and the love for it, among them was Lu Yu in the Tang dynasty. He wrote The Classic of Tea, the first book on tea，but he was regarded as the "Tea Saint(圣人)"．

Chinese people take delight in tea-drinking. It served almost everywhere. Whenever guest visit, offering a cup of tea to them is a basic social custom. Tea is part of Chinese people's daily life.