题目内容：

短文改错（共1小题）

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 5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5处，多者（从第6处起）不计分。

Today my father and I drove to visit Li Wei, whom we had been supporting for two years．We set off early in the morning, and after a two-hour drive, we arrived in his home．At that moment, he was working in the garden while his grandpa was sitting in the sun．They were excited to see us and gave us warm welcome．We gave Li Wei a schoolbag and some books as well．Grateful and moved, and he showed us his excellent schoolwork, which impressed us greatly．We were so happy that we didn’t realize it was time to leave．They saw me off at the village entrance and we waved goodbye to them.