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.

Norplant implants are ____ matchstick size rods that are inserted into the upper arm.
six

Most people get one or ____ common colds every year.
two

Stevia is thirty times sweeter than sugar with ____ calories or nutrients.

no