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: Heart attacks occur most often around ____ in the morning.

A: five
****
Q: Tobacco companies account for ____ of the five biggest billboard advertisers in the country.

A: four
****
Q: Females reach sexual maturity around ____ to five year-olds.

A:
four
****