Choose the correct plural form of “el niño”

If you was to write an essay how can your teacher you write an outstanding essay?

Mary just sent out invitations to her wedding last week the invitations were so heavy that she put more than just one stamp on each envelope she used 255 stamps and mailed out 85 invitations and see you as an equal amount of stamps on each envelope

Las condiciones basicas que se deben tener en una narracion para catalogarla como un cuento son a.brevedad b.gran cantidad de personajes c.siempre son acontecimientos de tiempo pasado d.expocicion sencilla de los hechos