Перепишите следующие предложения в PassiveVoice, определите время и вид сказуемого, переведите предложения. 1. The Emu and the kangaroo are represented on the emblem of Australia. 2. The Australian contribution to research was connected with geography. 3. By the beginning of the 17th century Australia had been discovered by Dutch explorers. 4. In 1956 the Olympic Games were held in Melbourne.