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: Most ovarian cysts go away on their own in ____ to three months without causing any problems.

A: one
****
Q: Water consists of ____ hydrogen and one oxygen atom.

A: two
****
Q: Elephants have ____ other teeth called molars.

A:
four
****