I was told I could upgrade to a first-class ticket for a small charge.Me dijeron que, pagando una pequeña cantidad adicional, podría cambiar mi billete por uno de primera clase.
She moved to a first-class seat, hoping they wouldn't check her ticket.Se cambió a un asiento de primera, con la esperanza de que no le revisaran el billete.
He gets to travel first-class for free, because he works for the railroad company.Él puede viajar gratis en primera, porque es empleado de la empresa de ferrocarriles.