Multiple choice softskills communication Hong Kong ______ to China in 1997 has reverted reverted is reverting revert Reveal answer Fill a bubble to check yourself B Correct answer Explanation Past simple is used for completed actions at a specific time in the past. 'Reverted' correctly describes Hong Kong's return to China in 1997. 'Has reverted' would need a time reference, 'is reverting' is ongoing, and 'revert' lacks tense.