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.

Sexual maturity is between ____ and six years of age.
three

Most species have ____ toes, three of which are forward-pointing.
four

Eastern oysters grow to ____ to five inches in length, but can reach a length of eight inches.

three