Question

correct the one error.

beach closed do to shark sighting

Explanation:

Identify the spelling error

The text on the sign reads "BEACH CLOSED DO TO SHARK SIGHTING".

Analyze the homophone error

The word "DO" is used incorrectly in this context. The prepositional phrase meaning "because of" or "caused by" is "due to".

Determine the correction

Replacing the incorrect homophone "DO" with the correct spelling "DUE" resolves the error.

Answer:

Correct the one error.
BEACH CLOSED <blank>DUE</blank> TO SHARK SIGHTING