英语序数词21 22 23 24 25 26 27 28 29 就这几个怎么写？

21: Twenty-first
22: Twenty-second
23: Twenty-third
24: Twenty-fourth
25: Twenty-fifth
26: Twenty-sixth
27: Twenty-seventh
28: Twenty-eighth
29: Twenty-ninth
中间一定要带连字符，表示是一个词
望采纳，谢谢

第21 twenty-first 21st
第22 twenty-second 22nd
第23 twenty-third 23rd
第24 twenty-fourth 24th
第25 twenty-fifth 25th
第26 twenty-sixth 26th
第27 twenty-seventh 27th
第28 twenty-eighth 28th
第29 twenty-ninth 29th
第30 thirtieth 30th

20 twentieth
21 twenty-first
22 twenty-second
23 twenty-third
24 twenty-fourth
25 twenty-fifth
26 twenty-sixth
27 twenty-seventh
28 twenty-eighth
29 twenty-ninth

twenty-first
twenty-second
twenty-third
twenty-fourth
twenty-fifth
twenty-sixth
twenty-seventh
twenty-eighth
twenty-ninth