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

[EX Q]: Roaches have two forewings and _ hind wings.
[EX A]: two

[EX Q]: Aromatic oil comes in a _ milliliter bottle.
[EX A]: ten

[EX Q]: Plaice reach maturity typically when they are between four and _ years old.
[EX A]:
six