1 first
2 second
3 third
4 fifth
5 ninth
6 eighth
7 twelfth
8 fourteen
9 twentieth
10 twenty-first
11 forty-fourth
12 ninety-sixth
把下列基数词改为序数词
1 first
2 second
3 third
4 fifth
5 ninth
6 eighth
7 twelfth
8 fourteen
9 twentieth
10 twenty-first
11 forty-fourth
12 ninety-sixth