Select the option that can be used as a one-word substitute for the given group of words.
Something happening in three years
Answer & explanation
Correct answer: option 2
The word that can be used as a one-word substitute for the given group of words is triennial.
- Annual means happening once a year.
- Triennial means happening every three years.
- Biennial means happening every two years.
- Millennial means relating to a period of one thousand years.