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.

[EX Q]: Earth is the third planet from the Sun in our solar system, which includes ____ other planets.
[EX A]: seven

[EX Q]: Dogs have to be ____ months old before they are spayed or neutered.
[EX A]: six

[EX Q]: Mononucleosis usually lasts for ____ to two months.
[EX A]:
one