A．To separate the changing rooms from the pool.
B．To provide a path to the swimming area.
C．To make the pool shallow enough for children.
D．To protect people from waves caused by river traffic.
A．Environment agencies.
B．The city of London.
C．The state government.
D．Public donation.
A．Everyone should admit that they have enemies.
B．Humble people have fewer enemies.
C．It is terrible to have enemies.
D．Generous people have no enemies.