ENGLISH PILL 20/365: Plural Compound Notes

Tudtátok, hogy ezeknek az összetett főneveknek csak többes számú alakja van?

armed forces, bagpipes, bedclothes, civil rights, current affairs, jeans, French fries, high heels, human rights, inverted commas, last orders, legal proceedings, luxury goods, modern languages, nail scissors, natural resources, nutcrackers, Olympic Games, opening hours, outskirts, party politics, race relations, reading glasses, roadworks, roller skates, scare tactics, sunglasses, swimming trunks, taste buds, traffic lights, underpants, walking boots, winter sports, waterworks (forrás: Grammar and Vocabulary for Cambridge First, Pearson, 2012)