5. Write the ordinal numbers in words.
(Viết các số thứ tự ở dạng chữ viết.)
|
1st first |
15th |
|
2nd second |
20th twentieth |
|
3rd |
21st twenty-first |
|
4th |
26th |
|
5th fifth |
30th thirtieth |
|
3rd - third |
4th - fourth |
15th - fifteenth |
26th - twenty-sixth |








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