[electronic mail safeguarded] Thanks very much! I am absent right now, so I can get again to you by e-mail as soon as possible V?i s? h??ng d?n nhi?t tình c?a cô Trang, ??m b?o kh? n?ng ti?ng Hàn c?a b?n s? ???c c?i thi?n sau khóa h?c này. B?n c?n t?t ?ng