The correct verbs for #1 are in the order:
Monte
Tomamos
Mandaron
Acampastes
The correct verbs for #2 are in the order:
Visitaron
Tomaron
Compraron
Regateaban
Mandaron
The answers for #3 are in the order:
Tomamos muchas fotos de nuestras vacaciones.
Nadie nos mando tarjetas postales.
Compramos unas camisetas bonitas por un bien precio
Quiero que Uds. Me lo de esta vez
I know the second one is present tense
How do say dog, cat, bunny, parrot, and mouse in Spain, Cuba, Columbia and Argentina?