Use the where necessary to complete the text.

Australia is the smallest continent in the world. One part of it, (1) Western
Australia, is eleven times as big as (2) Great Britain. The journey from 3) Perth a city in the west. to (4) Sydney in the east takes four to five hours by plane: that is longer than the journey from (5) Madrid to (6) Moscow, Austra lia's longest river is (7) Murray-Darling. The big lakes in Australia's deserts are dry most of the time Huge (8) Lake Eyre, which is 70 kilometres wide and 130 kilometers long, was dry for a hundred years until 1950, and (9) Lake Mungo has had no water for 16,000 years. (10) Todd River, by the way, is nearly always dry too.