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.

[Q]: Mature females bear two or even ____ calves a year.
[A]: three


[Q]: Fruit is a silique opening by ____ valves.
[A]: two


[Q]: Most boys are born with ____ testicles in the scrotum.
[A]:
two