4. Complete the text using the correct tense forms. The official language of Australia ___________(to be) English. But Australians_______ (to use) many words which tourists ___________(not to understand). When the first settler...

4. Complete the text using the correct tense forms. The official language of Australia ___________(to be) English. But Australians_______ (to use) many words which tourists ___________(not to understand). When the first settlers from Great Britain ___________(to arrive) in the country they ____________(to see) many unusual things: plants, animals. They (_____________to make) many new words to describe the world around them.