Ajay was . . . . . . . . on meeting his boss yesterday only.

keen
determined
sure
decided

The correct answer is: A. keen

Keen means eager or enthusiastic. In this case, Ajay was eager to meet his boss.

The other options are:

  • Determined: having or showing a firm intention to do or achieve something.
  • Sure: having or showing confidence in the truth or correctness of something.
  • Decided: having made up one’s mind about something.

Ajay was not determined, sure, or decided to meet his boss. He was keen.