个基数词的序数词形式!
问题描述：
个基数词的序数词形式!
ten four six fourteen thirteen one two three nine eight fiive twelve twenty forty thirty twenty-one forty-five thirty-nine 急需这些单词的序数词形式!
答
tenth fourth sixth fourteenth thirteenth first second third nineth eighth fifth twelveth twentieth fortieth
twenty-first forty-fifth thirty-nineth