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]: Bullying is most severe in grades ____ to nine.
[EX A]: seven

[EX Q]: Cosmetics come in ____ types greasy and non-greasy.
[EX A]: two

[EX Q]: Lines generally have ____ contours on surfaces, providing optic contrasts.
[EX A]:
two