Final answer:
The word that best completes the sentence is 'fácilmente'.
Step-by-step explanation:
The correct word that best completes the sentence is fácilmente.
Se puede sacar dinero fácilmente del cajero automático means 'Money can be easily withdrawn from the ATM.'
In this context, fácilmente means 'easily' or 'without difficulty'.
Learn more about Completing a sentence in Spanish