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: Banks hold ____ excess reserves and the public holds no currency.

A: no
****
Q: China has about one in ____ of all smokers in the world.

A: four
****
Q: Tidal volume is similar to an adult by ____ weeks of age.

A:
four
****