英语第1到第30（缩写）
问题描述：
英语第1到第30（缩写）
答
1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th,
11th, 12th, 13th, 14th, 15th, 16th, 17th,18th, 19th, 20th,
21st, 22nd, 23rd, 24th, 25th, 26th, 27th, 28th, 29th, 30th.
答
1st,2nd,3rd,4th,5th,6th,-----------10th
11th,------------------20th,
21st,22nd,23rd,24th--------30th
答
1st,2nd,3rd,4th,5th,6th,7th,8th,9th,10th,
11th,12th,13th,14th,15th,16th,17th,18th,19th,20th,
21st,22nd,23rd,24th,25th,26th,27th,28th,29th,30th.