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: Perjury is punishable by imprisonment in state prison for two, three, or ____ years.

A: four
****
Q: Marriage is the legal union of ____ people.

A: two
****
Q: Univalves have one shell, and bivalves have ____ shells.

A:
two
****