แก้คำให้ถูกต้อง

Hii everybody , i'm aymen k I'm from Algeria , I'm 21 years old , i study engineering , i wanna improve my English that's why im here , also I'm studying English at the Universal Learning Centre , i start from the first level , now i'm in the third level , i can speak and write better than before but I'm still bad .

i hope you correct me this part and evaluate me ^^