【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．作文中共有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】

　　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．作文中共有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：在缺词处加一个漏子符号（∧）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．

　　Tina and I had been good friend for years．We often did things together，so one day Tina didn't talk to me and just sat by herself．I don't know what was wrong．I thought about what I had done and said recent．Was Tina upset because I had done well in the history test than her？No，she was happy that I did well in school．I decided find out what was the matter．I walked over to there Tina was sitting．"Tina，"I said softly，"is anything wrong？"He answered sadly，"Yes，my cat died on last night．"I finally knew the reason what she didn't talk to me and comforted her．