Multiple choice general knowledge

Which of the following spellings is correct?

  1. Fullfilling

  2. Fulfiling

  3. Fullfiling

  4. Fulfilling

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

The correct spelling is "Fulfilling" with one 'l' doubled to 'll' before the suffix. Option A incorrectly doubles the first 'l', B omits the necessary double 'l', and C makes both errors. The rule is that final 'l' doubles before -ing suffix.