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: Plants generally live ____ years but sometimes longer.

A: two
****
Q: Sponges are subdivided into ____ classes.

A: three
****
Q: Birds can have ____ to twelve primaries, but the most common number is ten.

A:
nine
****
