In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Most people are legally drunk after _ or two drinks.
[EX A]: one

[EX Q]: Coral reefs make up only _ per cent of the area of the Great Barrier Reef.
[EX A]: five

[EX Q]: Illness is often self-limiting usually lasting _ to seven days.
[EX A]:
four