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: Neutrinos are particles with almost ____ mass and no electric charge.

A: no
****
Q: Finches breed when the female is over one year old and the male is under ____ year old.

A: five
****
Q: Salmonella typhi infection in children younger than ____ years of age.

A:
five
****