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: Babies start swimming lessons as young as ____ weeks old.

A: four
****
Q: Box turtles are mature and capable of mating at ____ years old.

A: five
****
Q: Pinks live only ____ years.

A:
two
****