Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[EX Q]: Ocean has ____ life-important properties.
[EX A]: two

[EX Q]: Human gestation is divided into three trimesters of ____ months each.
[EX A]: three

[EX Q]: Biennials require ____ growing seasons to complete their life cycles.
[EX A]:
two