Final answer:
The sentence should be 'Siempre me aburro durante las vacaciones.'
Step-by-step explanation:
The sentence 'Siempre aburro durante las vacaciones' is incomplete. However, based on the context, the correct phrase would be 'Siempre me aburro durante las vacaciones.' This sentence means 'I always get bored during the vacations.'
The subject of this question is Spanish because it involves understanding and completing a sentence in the Spanish language.
This question is appropriate for High School level students who are studying Spanish as a foreign language.
Learn more about Completing a sentence in Spanish