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。每处错误仅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。
My father was the biology professor. When I was young he was used to take me to the biology lab, there I saw pigs, cats and other animals. My father also influenced me through nature walks. He often took me on a walk in the backyard. We would catch frogs, snakes and firefly. He seemed know everything about wildlife. Eighteen years later, think about my father and his influence on my life, I feel very luckily. I am grateful that I got the chance to learn from her. He helps me develop my interest in all that was alive and sometimes dead around me.