Intorduce Myself My name is Zhang Guangping . My nackname is Peel .I am a middle school student.My grade is very bad,so i think i am a very stupid pig.I am weak in English,Chinese and math,so i can’t get good grade.I like sports,like basketball,swim.I play basketball every day，so i am very healthy.My favorite fruit is apple,because it ’s good for my heathy.I just jioned italki.I think it’a new world.I can learn English well in here. This is my first article.Could you help me to correct it?

"对不起，我的错"what is this in English？