Choose the correct sentence with the appropriate use of the word 'round' as an adverb:

He came round to their belief.

The correct answer is Option (1) → He came round to their belief.

The correct sentence with the appropriate use of the word 'round' as an adverb is: "He came round to their belief."

• In this sentence, "came round" is used as a phrasal verb meaning to change one's opinion or to become convinced.
• The other options use "round" in different contexts (as an adjective or noun) rather than as an adverb:
  • "A square peg in a round hole" uses "round" as an adjective to describe the hole.
  • "The auditorium echoed with a round of applause" uses "round" as a noun to refer to a series of applause.
  • "We shall round the cape in safety" uses "round" as a verb meaning to navigate around something.