赞题库-背景图
单项选择题

While skyscraper offices and elegant apartment blocks remain the public face of most major cities, these cities also have a mass of secret tunnels and hidden pipes below _____ which keep everything working.

A．land
B．ground
C．soil
D．earth
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热门试题

单项选择题Why did the woman come to Finland

A．She wanted to study literature there.
B．She wanted to take a summer course there.
C．She was offered a job in Finland.

单项选择题Where does the conversation probably take place

A．At a railway station.
B．At a travel agency.
C．At an airport.