Answer:
vinieron
Explanation:
viniste is for when speaking to someone else
vinimos is for when speaking about a group involving yourself in the first person
vinieron is a word used to describe past and usually more than one person
vino just kinda means "came with us." it can also mean "wine, " but that depends on context.
Compran
Explanation: “compran” refers to a group of people purchasing an item, which is what the question is stating. The sentence says “You all are buying the red skirt”
No hay nadie en la clase.
You should not put "alguien" because that means somebody.
Explanation:
un senor vende globos. solo quitas la r :)