1 Przeczytaj tekst oraz zdania 1-4. Do każdego zdania dopasuj właściwy wynalazek: A, B lub C.
Uwaga! Jeden wynalazek pasuje do dwóch zdań.
1 The design of this invention has improved over time.
2 This inventor wanted to offer a cheaper solution to a problem.
3 Its inventor was inspired by something they had seen in nature.
4 The author of this invention observed another person repeat the same simple task.
