Answer :
The correct answer is d. leo.
The sentence "Yo _____ libros" is asking to fill in the blank with the correct conjugation of the verb "leer" (to read) in the first-person singular form, which is "leo".
The sentence "Yo _____ libros" is asking to fill in the blank with the correct conjugation of the verb "leer" (to read) in the first-person singular form, which is "leo".
