新概念。 I have just a letter from my brother, Tim. He is in Australia. He has been there for six 2 . Tim is an 3 . He is working for a big 4 and he has already visited a great number of 5 places in Australia. He has just an Australian can and has 7 to Alice Springs, a small town in the 8 of Australia. He will soon visit Darwin. From there, he will 9 to Perth. My brother has never been before, so he is finding this trip very exciting.