Question: What is the correct spelling of the idiom that means \'to be very busy\'?

Options:

1. Burning the candle at both ends
2. Burning the candal at both ends
3. Buring the candle at both ends
4. Burning the candle at both ends

Correct Answer: Burning the candle at both ends

Solution:

The correct idiom is \'Burning the candle at both ends\', meaning to be very busy.