you can pratice your voice,because the foreigner has a different voice from here. you can read some english stories and speak english more than twice a day(2 hours). watch some english film and try to hear the word they say or listen to US music....
good luck
thế thì vào CLB anh lj hả e trai
Tui là Redhood nè :v tui cũng lớp 7 á :v anh không ngu