题目内容：

假如英语课上老师要求同桌之间交换修改作文，请你修改你同桌的以下作文。文中共有 10 处错误， 每句中最多有两处。错误涉及单词的增加、删除或修改。

增加：在缺词处加一个漏词符号∧，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：在错词下面划一横线，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 处不计分。

Several America students visited our school. Upon our arrival, we gave a warm welcome to them, among them a boy named Tim was to stay with my family for the weekend. I recognized Tim comparing him with photo he had sent to me. Tim greeted me and expressed that how exciting he felt. When school was over, we took the subway home. My parents prepared a rich family dinner that night but we enjoyed ourselves very much. The next day, I act as a guide, showing Tim along the most famous scenic spots in Chengdu. Wherever he went, he had some photos take to help him memorize this unforgettable trip.