Final answer:
The word 'leer' completes the sentence and means 'to read'.
Step-by-step explanation:
The correct word to complete the sentence is leer.
Me gusta leer libros means 'I like to read books'.
Option O escuchar means 'or listen', option Obailar means 'or dance', and option O jugar means 'or play'.
Learn more about Completing a sentence in Spanish