Multiple choice softskills leadership

At eight o'clock in the morning, I am hard ___ work.

  1. at

  2. in

  3. on

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

'Hard at work' is a fixed idiomatic expression meaning working diligently. 'At work' is also correct for being engaged in work. The phrase is not 'hard in work' or 'hard on work'. 'At' is the correct preposition in this idiom.

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