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: Stems are of ____ types, flowering and vegetative.

A: two
****
Q: Female porcupines have between one and ____ young, depending on the species.

A:
four
****