Mostrar is the verd to use. to show.
Answer:
Open the stove with your right hand - Abre la estufa con la mano derecha.
How was your afternoon? - ¿Como fue tu tarde?
Today will be a fantastic day for soccer! - ¡Hoy será un día fantástico para el fútbol!
(When using question marks and exclamation points, use them before starting the sentence as well as after as shown above)
Hope this helps! :)
