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: Clovers occasionally have leaves with ____ leaves, instead of the usual three.

A: four
****
Q: Elephants give birth to ____ calf every four to nine years on average.

A: one
****
Q: Every person has ____ kidneys.

A:
two
****