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: Child care is provided for children ages six weeks through ____ years of age.

A: four
****
Q: Many biologists believe the sandhill has been virtually unchanged for ____ million years.

A: nine
****
Q: Most species have ____ arms, but there are sea stars with ten, twenty or even forty arms.

A:
five
****