The best word to fill in the blank would be cubanos.
Cubana- a female cuban
Cubano- a male cuban
Cubanas- more than one female cubans
We are left with Cubanos which means more than one male cubans.
I really hope this helps.
There is more than 1 possible answer for this, but I think the best word to fill in the blank is gusta
What kind of registered?here is registered for many different things.
