Common Mistakes : Junk
Junk – Noun
BAD: If you are caught dropping junk in the street, you are fined
GOOD: If you are caught dropping litter in the street, you are fined
junk = (informal) anything that you consider to be worthless or useless: The garden shed was full of old junk that hadn’t been used for years
litter = things such as empty packets, cans and bottles that are left in a public place: You can be fined up to £۱۰۰ for dropping litter