The capital of Canada is ______.

A．Such joints are cheap.
B．Such joints make buildings flexible and moveable.
C．Such joints are concrete frames.
D．Such joints make the buildings rigid.

A．followed the Irish example with a tax on plastic bags
B．tried to follow the Irish example with a tax on plastic bags
C．made no attempt to follow the Irish example with a tax on plastic bags
D．had problems with the plastics industry who wasn’t bothered about the tax