单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read questions 17-20.
What is the population of Sydney according to the passage

A．About 3 million.
B．About 4 million.
C．About 5 million.
D．About 1 million.

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单项选择题

单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read questions 17-20. What is the population of Sydney according to the passage 您的浏览器不支持 audio 元素。