It will take ______ to eat in a different place every day in Yaesu.

A．Tokyo is a city rich in land resources.
B．Underground projects will develop further in the future.
C．Underground projects are constructed for moles.
D．When there is an earthquake, it' s safer to stay on the surface.

A．Water and gas pipes are not taken care by construction workers.
B．Underground pipe systems were destroyed during World War Ⅱ.
C．Many city planning blueprints can be found nowhere.
D．Pipes were buried too deep underground.