题目内容：

If you only know Australia for 1. (it) kangaroos and cotton (棉花), then you are behind the times. Now, Australia is said 2. be the best place 3. live in the world.

According to a survey, Melbourne in Australia is the most livable city in the world. This is the first time since 2002 4. Melbourne was 5. (name) the best city to live in.

Melbourne, the second-biggest city in Australia, won in every area. More than 40 percent of Melbourne is covered by trees and grass. The city is home to people from more than 223 6. (country) and regions. There aren’t many cars in the city. Trains, streetcars and buses make up Melbourne’s public transportation system. There are also many sporting events that are 7. (hold) there, such as the Australian Open and the F1 Racing Championship.

Vienna, Austria is second 8. (介词) the list. It is a popular city for tourism (旅游业). The city is surrounded (环绕) by great forests and crossed by the beautiful Danube River. 9. (介词) the capital of Austria, Vienna is nicknamed “the city of music” and 10. (host) many great concerts every year.