This is a test. In case of a real emergency, you will hear safety instructions.Esto es una prueba. En caso de emergencia real, se oirán instrucciones de seguridad.
Is this a homework assignment? - No, this a test. Didn't you know we were having a test today?¿Esto es una tarea? - No, esto un examen. ¿No sabías que hoy teníamos un examen?