"ON" Idioms
Here are three useful idioms with ON.
Mind the article. We say “on THE fence”, “on THE ball” but “on __ cloud nine”.
ON THE BALL
Mary is really ON THE BALL. She sold all her houses before the crisis.
ON THE FENCE
I can’t sit ON THE FENCE any longer, I have to make my decision tonight.
ON CLOUD NINE
Kevin has been ON CLOUD NINE ever since he won that award.
PRACTICE
Answer these questions to practise using these idioms.
Think about other situations you could use them.