Yo nado en la piscina
Nosotros nadamos en la piscina
Yo trabajo en la escuela
Nosotros trabajamos en la escuela
Is A becauseSpike Spanish
Miran is the answer since it is in the Ellos form! So Mirar will conjugate to Miran!
For an adjective that ends in an e you would put el before it because it is masculine. If the adjective ends in an a you would put la before it because it is a feminine.