Multiple choice softskills communication

I completed the XYZ project __ two months ago.

  1. on

  2. (no preposition)

  3. in

  4. at

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Duration phrases with 'ago' don't require a preposition. The correct phrasing is 'I completed the XYZ project two months ago' - no preposition before the duration. 'Ago' itself functions as an adverb indicating past time, making additional prepositions unnecessary and incorrect.