第一到第四十的英文.谢谢

Question

第一到第四十的英文.谢谢

Answer 1

first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelvth,thirteenth之后就全部加th(结尾是e就去掉e再加th),21,31,是twenty-first,thirty-first；X2就是X-second；X3就是X-third等等,类推会把.
或者简单点1st,2th,3th.