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: Body temperature attains ambient levels within four to ____ hours.

A: six
****
Q: Anapsids have ____ openings in the temporal region of their skull.

A: no
****
Q: Foresters usually work ____ hours a day, five days a week.

A:
eight
****