Answer:
In this exercise it is supossed to choose the word that does not belong to each group.
Explanation:
1. sala plato copa vaso taza
: the word that does not belong is sala (living room). All the others are recepients
2. cuchillo altillo plato copa tenedor: the word that does not belong is altillo (attic). All the others are part of the cuttlery.
3. cocina balcón patio jardín garaje
: the word that does not belong is cocina (kitchen). All the other words are outter parts of the house.
4. cartel estante pintura lavadora cuadro
: the word that does not belong is lavadora (washing machine). all the others are related to paintings, but lavadora is an appliance
5. dormitorio sala comedor cafetera oficina
: the word that does not belong is cafetera (coffee maker). the other words are rooms of the house and cafetera is an appliance.
6. lavadora escalera secadora lavaplatos tostadora: the word that does not belong is escalera. All the othrs are appliances and escalera is a part of the house,