Practice Activities: Ending Punctuation

Are ending punctuation marks used appropriately in these sentences? Explain why or why not. The sentences have been numbered to aid in your comments:

(1) One famous eighteenth-century Thoroughbred racehorse was named Potoooooooo, or Pot-8-Os! (2) He was a chestnut colt bred by Willoughby Bertie, 4th Earl of Abingdon, in 1773, and he was known for his defeat of some of the greatest racehorses of the time. (3) With a well-to-do background like this, where do you suppose his strange name came from.

(4) The horse once has a stable lad, who facetiously misspelled Potatoes. (5) Apparently, the owner thought the misspelling was funny enough to adopt it as the horse’s real name!