Write out the nouns which are used only in the plural form (you must get 25 nouns). athletics, cattle, scissors, taxes, pyjamas, economics, police, news, means, goods, pants, subjects, billiards, darts, outskirts, premises, mechanics, spectacles, clothes, stairs, maths, shorts, tights, gymnastics, congratulations, crossroads, patience, scales, lodgings, foundations, equipment, research, authorities, soap, contents, looks, countryside, traffic-lights, tongs, toothpaste, headphones, delays, binoculars, electronics, eyes, trousers