Final answer:
The best word to complete the sentence is 'Derelict', as it describes something abandoned and neglected, indicative of the state of the sailboat described in the sentence.
Step-by-step explanation:
The word that best completes the sentence: 'The _____ sailboat had torn sails and holes on both of its sides.' is Derelict. 'Derelict' is a term used to describe something that has been abandoned and neglected. This fittingly describes the state of the sailboat in the sentence with its torn sails and holes. The word 'Eccentric' refers to something or someone unconventional or slightly strange, 'Stifling' is used to describe an environment or circumstances that makes one feel constrained or oppressed, and 'Tawny' refers to a light brown to brownish-orange color. None of these words appropriately describe the condition of the sailboat.
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