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: Black widows mature in two to ____ months.

A: four
****
Q: Spring comes from ____ different layers.

A:
five
****