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: Pathologists study four to ____ years after medical school and their postgraduate training.

A: five
****
Q: Marshes are shallow wetlands less than ____ meters deep.

A: two
****
Q: Ethiopian women face a ____ in nine chance of dying.

A:
one
****