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: Cattle can have up to six to ____ years of grazing, after which a scrub savannah grows up.

A: ten
****
Q: Biennials require portions of ____ growing seasons to reproduce.

A: two
****
Q: Gorillas give birth after ____ months of gestation.

A:
eight
****