1 Different countries have different weather / weathers.
2 All areas of the skin are in fact covered in tiny hair / hairs.
3 We’ve looked at the menu and we’d all like chicken / chickens.
4 Jack is a millionaire and owns a lot of business / businesses.
5 Have you got a copy of the complete work / works of Dante?
6 None of the passengers had insured their baggage / baggages.
7 Students must pass their paper / papers to the front.
8 I’m afraid we can’t find cheap accommodation / accommodations for all of you.