Answer:
Caballos y caracoles no deben ser comidos por personas que se consideran elegantes, porque manchan y salpican mucho.
It means that elegant men (in this case 'señores') don't eat horses nor snails because its a mess.
C) í, iste, ió, imos, isteis, ieron
There are more than one words that could fit here
Club - Self-describing, it's the same in spanish
"a la discoteca" - Discoteca is that, a disco, a place for dancing and listening to music
Concierto - A concert
I could probably think of more, but I guess you have enough there. Choose the one you like best