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: Female dogs come into heat every ____ months or so.

A: six
****
Q: Wombats measure up to ____ feet long and weigh from thirty to seventy-five pounds.

A: four
****
Q: Most people require roughly ____ to eight hours of sleep a night to stay alert through the day.

A:
seven
****