Cardinal and ordinal numbers

Choose the correct answer.

1. --- Thousand --- Thousands years ago egyptians built the pyramids.
2. Omar is the --- one --- first in his class.
3. I have --- one --- two sisters and --- one --- two brother.
4. This is my --- forth --- fourth visit to KSA.
5. There is --- twenty fourth --- twenty four hours in the day.
6. I'm --- twenty eight --- twentiest eight years old.
7. I can speak --- two --- second languages. Arabic is my first language and English is my --- two --- second language.