Use prepositions or adverbs if necessary. The language … Australia is English. The climate … Australia varies … the cool

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