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: Orchestra conductors live ____ to seven years longer than is usual in their societies.

A: three
****
Q: Cesarean section are three to ____ times more likely for pregnant women with diabetes.

A: four
****
Q: Every muscle is made up of ____ types of fibers.

A:
two
****