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.
i can help with the fist section
Elena y Raul se sientan e en su propria silla.
Pablo se acostá a los ocho.
yo voy ahora.
Paquito se lastimó con un cuchillo
Cada estudiante llego temprano.
Felipe y yo pusimos nervioso duarante la tormenta
Ellos despiertan e a las mismo tiempo
Tú desayunaste despues de levantarse
