如何知道某些英文加S的?答:1、最常见的不可数名词有:advice, baggage, change(零钱), furniture, hair, homework, information, knowledge, luggage, money, news, progress, traffic 2、其它不可数名词还有:absence, age, anger, courage, energy, equipment, experience, failure, fear, food, fun, health, ice, industry, ...
如何做用所给词的适当形式填空答:country →countries, butterfly →butterflies, enemy →enemies, memory→ memories, balcony→ balconies, laboratory→ laboratories, beauty→ beauties, charity→ charities, comedy→ comedies, industry→ industries, quality→ qualities, reply→ replies, difficulty→ difficulties, theory→ theories, ...