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: Amphibians have ____ legs, and often look like reptiles.

A: four
****
Q: Women can have hot flashes or insomnia ____ years before they have their last menstrual period.

A: ten
****
Q: Most animals have ____ kinds of teeth.

A:
three
****