Which part of a vehicle's brakes are replaced when they wear out?

la puerta
la luz trasera
la pastilla
la rueda

These are the questions and answers select the best translation for the following term or phrase. what did i do? ¿qué hice? select the best translation for the following term or phrase. i take one piece of wood. tomo un trozo de madera. fill in the blank according to the story. en la mesa hay varios trozos de madera