写下列基数词对应的序数词
问题描述：
写下列基数词对应的序数词
one two three four five eight nine twelve thirteen twenty forty fifty -one eighty -three
eleven
答
first second third forth fifth eighth ninth twelfth thirteenth twentieth fortieth fifty-first eighty-third
保证正确,我们上学期的英语书上有的,而且要强调twelve的序数词是twelfth,v变f,和leaf的复数是leaves的f变v的道理是一样的,twelvth是错误的,没有这样变的.