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：在错的词下划一横线，

Question

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：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．

Answer 1

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．
详
1．friend改为friends  考查名词的单复数   此处指的是：作者与Tina两个人多年来一直是好朋友；故用复数名词friends．
2．so改为but   考查句意理解以及连词    本句的意思是：我们经常一起做事情，但是有一天Tina不和我说话了，只是独自一个人坐着；此处表示转折，并非因果关系；故用but．
3．don't改为didn't     考查时态    根据上下文都使用了一般过去时可知，本文描述的是过去发生的事情，故用didn't．
4．recent改为recently   考查副词   此处在句中作时间状语，故用副词recently．
5．well改为better   考查副词的比较级    根据句意"Tina因为我在历史考试中考得比她好而不高兴了吗？"以及连词than可知，此处表示两者的比较，应使用副词well的比较级；故用better．
6．decided后加 to   考查动词decide的用法    此处用在动词decided之后作宾语，应使用动词不定式形式；故在decided之后加to．  
7．there改为where   考查句意理解以及疑问副词where的用法     本句的意思是：我走到了Tina坐的地方；此处用在介词to之后，引导宾语从句，意为：…的地方；故用疑问副词where．
8．he改为she    考查人称代词   根据上文使用了she来指代Tina可知，Tina是个女孩；此处在句中作主语，故用she．
9．去掉on         考查时间状语   由形容词last，next等修饰的名词词组用作时间状语时，其前不用介词；故去掉on．      
10．what改为why    考查关系副词   本句为定语从句；由于先行词the reason在该从句中作原因状语，故用关系副词why．