单选题听第7段对话，回答第8～10题。

单选题 How much does the woman pay for the tickets?

A、 $37.
B、 $55.
C、 $18.

【正确答案】 B

【答案解析】[听力原文]
M: Yes, madam. Where to?
W: I"d like a one-way ticket to Los Angeles and a return-ticket to Chicago.
M: $18 for a one-way ticket and $37 for a return-ticket.
W: Here you are. Where should I wait for the train?
M: Platform 14.
W: Thank you.

单选题 Where does the woman wait for the train?

A、 Platform 14.
B、 Platform 40.
C、 At the railway station.

【正确答案】 A

【答案解析】

单选题 Where does this conversation most probably take place?

A、 At the railway station.
B、 At an airport.
C、 In a restaurant.

【正确答案】 A

【答案解析】