To\u00e0n b\u1ed9 t\u1eeb v\u1ef1ng v\u00e0 ng\u1eef ph\u00e1p Ti\u1ebfng Anh l\u1edbp 12 ch\u00ednh x\u00e1c nh\u1ea5t<\/a><\/blockquote><\/iframe>