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.

Sealants can normally last up to ____ years and hold up very well under normal chewing.
five

Grasshoppers begin egg laying one to ____ weeks after becoming adults.
three

Cubs start to eat bamboo around six months and are fully weaned at ____ months.
nine