El colectivo de diente es dentadura.
The first one ''Correr'' is run. And ''Parque" is park.
Answer:
Estoy en el primer piso. <em><u>Bajo</u></em> a la planta baja.
Explanation:
It is low because it will not go to up/<em><u>subo</u></em> the ground floor. And also I can speak Spanish.