Cu thi thac mac

Chao cac ban minh la thanh vien moi
Minh ten la... (biet danh)
Minh tham gia de nho cac ''sumbare'' chi day cho cach hoc gioi English khong keo minh hoc kem lam .
Minh co mot thac mac khong biet ai co the giai dap giup minh khong?
Phan biet cho minh cach dung ''un'' va ''dis''trong tieng anh voi, nho giai thich can ke vao keo minh cham hieu lam...lam...lam...
Minh cam on cac ban truoc nha

ban post nham` cho~ rui`