Respuestas
1. My birthday is on the eighteenth of March.
2. This is the fourth time I have seen this film.
3. New Year's Eve is celebrated on December thirty-first.
4. My grandmother is very old. She just celebrated her ninetieth birthday.
5. I am the youngest of three children. I am the third child.
6. For many people, Ronaldo would be first on a list of the wolrd's greatest soccer players.
7. My daughter is in eighth grade in school.
8. October is the tenth month of the year.
9. We live on the fortieth floor of an apartment complex.
10. My birthday is on December twenty-first.
11. His office is the thirteenth door on the left.
12. The fiftieth person in line was a little boy.
13. She's the seventh patient I've seen this morning.
14. This is the tenth year we've been in business.
15. Mina finished fifteenth in the bicycle race.