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: Warts have a finite life span of anywhere from six months up to ____ years.

A: five
****
Q: Dogs can begin gundog training as early as ____ months of age.

A: six
****
Q: Ozone is a chemical made of ____ oxygen atoms.

A:
three
****