Final answer:
The word 'show' in the sentence can be replaced with the synonym 'demonstrate' from the thesaurus entry.
Step-by-step explanation:
The word 'show' in the sentence can be replaced with the synonym 'demonstrate' from the thesaurus entry. The sentence would then be: The many oil paintings and sculptures in the exhibition demonstrate how productive the artist was during his lifetime.
Learn more about Using synonyms to improve writing