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: Some babies start sleeping through the night on their own around three or ____ months.

A: four
****
Q: Vertebrates Indicate the ____ principal characteristics of chordates.

A:
four
****