Choose the correct preposition: 1 Wawel Castle is located at/in Poland. 2 The soldiers looked ready for/of the battle. 3 It was one of the most important archaeological finds of/in history. 4 The tomb was surrounded with/by terracotta soldiers. 5 The dinosaur is made up/of fibreglass. 6 A large selection of dinosaur bones are in/on display in the museum. 7 Admittance to the event is from/by invitation only. 8 I'd like to send this parcel with/by airmail, please.