11到20之内的序数词
问题描述:
11到20之内的序数词
答
从第1至第二十依次是:first secondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth