Question

He was punished for his acts of mischief. (mischiefs/ michief) Errors in the use of Grammar Advice → pieces of adviceMischief → acts of mischiefFurniture → articles of furniturePoetry → pieces of poetry, poemsAbuse → words of abuseTrouble → A great deal of troubleAlphabet → Letters of the alphbetInformation → items of informationNews → items of newsBread → loaves of bread

Accepted Answer

Nouns "acts of mischief" is the full, correct answer. Here's a list of other words which cannot be made plural by adding "s" or "es"

Text	He was punished for his acts of mischief. (mischiefs/ michief)
Lesson	Nouns
Course	Errors in the use of Grammar
Extra1	"acts of mischief" is the full, correct answer. Here's a list of other words which cannot be made plural by adding "s" or "es"
Extra2	Advice → pieces of advice Mischief → acts of mischief Furniture → articles of furniture Poetry → pieces of poetry, poems Abuse → words of abuse Trouble → A great deal of trouble Alphabet → Letters of the alphbet Information → items of information News → items of news Bread → loaves of bread

Acts Words Advice Pieces Mischief Furniture Abuse Trouble