Use prepositions or adverbs if necessary.
The language … Australia is English. The climate … Australia varies … the cool and temperate. Australia is the driest continent … the Earth. About one half … its territory is occupied … deserts and semi-deserts.
The commonest trees … Australia are the eucalyptus, … which there are over 500 kinds. There are also acacia or mimosa, which is the national emblem … Australia. Even stranger than plants are the animals. There live kangaroos, duck-bills, koalas and a great number … different birds, parrots …them.