阅读理解。

1. ______ has the largest population among these countries.
[ ]
A. Italy
B. Australia
C. China
2. If you want to visit Big Ben (大本钟), you should travel to ______.
[ ]
A. Rome
B. London
C. Beijing
3. You can visit ______ in the country with the smallest population.
[ ]
A. the Opera House
B. the Great Wall
C. the Leaning Tower of Pisa (比萨斜塔)
4. From the form, you can find ______ in Western Europe.
[ ]
A. one country
B. two countries
C. three countries
5. Which of the following is TRUE according to the information in the form?
[ ]
A. Australia and Britain aren't English-speaking countries.
B. Rome is a city in Southern Europe.
C. Canberra is the capital of Italy.