Odpowiedź:
1. [...] one of us WOULD have to sleep outside.
2. she WOULD look completely different.
3. If we HAD [...]
4. If my brother WAS a foot [...]
5. [...] i WOULD be good at math.
6. [...] I WOULD speak
7. If you DIDN'T LIVE [...]
8. [...] WOULDN'T REFUSE.
9. [...] WOULD BREAK into their house.
10. If he DIDN'T WASTE [...]
11. If they GAVE [...]
12. They WOULD CELEBRATE [...]
Wyjaśnienie: wielkimi literami zaznaczyłam to, co powinno się wpisać w luki. Mam nadzieję, że nie popełniłam błędów. :3