polythene [ˈpɒlɪθi:n] (UK) noun , polyethylene [ˌpɒlɪˈeθɪli:n] (UK) noun (uncountable noun) polietilene m
Complétez la séquence avec la proposition qui convient. My brother and I … to visit our grandparents on Sundays. didn't use didn't used