Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.
How much is the fare from Sydney to Perth

A．He checked the flight schedule.
B．He reserved a ticket.
C．He told his sister about his visiting.
D．He flew to San Francisco.

A．The president of the University of Cambridge.
B．The chairman of Science and the Making of Modern Culture.
C．A faithful follower of Newton.
D．A professor at the California Institute of Technology.