помогите решить пж. Выпиши лишнее слово

1. hospital, school, garage, nurse, theatre, cinema
2. mechanic, work, teacher, vet, waiter, postman
3. fridge, bread, oil, sugar, meat, tomato, beans
4. seal, ocean, hippo, monkey, elephant, bear
5. usually, never, now, always, sometimes
6. yesterday, last year, a week ago, at the moment