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: Cats have five toes on their front paws, but only ____ touch the ground when walking.

A: four
****
Q: Acupuncture needles are about two to ____ inches long.

A: three
****
Q: Some countries require passports to be valid for ____ months after expiry of the visa.

A:
six
****