4 Listen again. Are the sentences True (T) or False (F)? 1 Northern Australia is wet and rainy in January. 2 Southern Australia is very cold in winter. 3 Most people live in Northern Australia. 4 Central Australia is very dry. 5 Wildfires aren't a problem in central Australia. 6 Australia separated from the main continent 15 million years ago. 7 Koalas and kangaroos are unique to Australia. 8 You cannot see koalas in the wild.