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]: Mosquitoes live four to ____ weeks.
[A]: eight


[Q]: Fats come in ____ different forms saturated and unsaturated.
[A]: two


[Q]: Elephants also have four molars, ____ on the top and one on the bottom on both sides of the mouth.
[A]:
one