Question

está en voz activa todo es convertirlo a voz pasiva

The kid cooked a big sandwich

Sarah played with her Frozen game.

My cousins lived in a big house.

Jonah worked at home

My mom made a christmas sweater.

David's parents danced salsa all night.

My friends bought a Marquesita at Xmatcuil

The dog ate all his food.

I prepared pizza dough 

 Michael loved sweet fruit.

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Answer 1

a big sandwich was coocked by the kid

-En todas pones el objeto primero y pones was/were y past participle del verbo y luego la persona.