Uzupełnij zdania słowami utworzonymi od wyrazów podanych w nawiasach.

1 A technician is going to ……………. (installation) a fire alarm system in our house tomorrow.
2 We can see a great ……………. (improve) in air quality since the city centre was closed to traffic.
3 We went to see an abstract art ……………. (exhibit) last weekend.
4 He used to be a famous architect. He ……………. (designer) a lot of buildings.
5 The detectives made a shocking ……………. (discover) when they entered the house.
6 It isn’t easy nowadays for artists to ……………. (creation) something totally new and original.