Решение:
- It's a place where people make things, e.g. cars. - a factory
- It's a great place for people who like books. - a library
- It's the room where people cook. - a kitchen
- It's the opposite of on. - behind
- It's something you often see in the bathroom. - a shower
Ответ: 1. a factory, 2. a library, 3. a kitchen, 4. behind, 5. a shower.