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: Monatomic elements have with ____ atoms in each per molecule.

A: three
****
Q: Apple trees take four to ____ years to produce their first fruit.

A:
five
****