This question presents a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise, choose one of the others.
Much of Australia is unoccupied wilderness spotted with small towns, but the major cities are quite cosmopolitan and Sydney in particular is famous for its beautiful Opera House.