Final answer:
The sentence 'She sells seashells by the sea-shore' demonstrates figurative language because of the use of alliteration and juxtaposition to create a playful and musical effect.
Step-by-step explanation:
The sentence 'She sells seashells by the sea-shore' demonstrates figurative language.
This is because figurative language is the use of words or expressions that are different from their literal meanings to create an imaginative or vivid effect. In this sentence, the alliteration of the 's' sound and the juxtaposition of 'sells' and 'seashells' create a playful and musical effect, which is a characteristic of figurative language.