A．Pay the bills right away.
B．Read the magazines very quickly.
C．Sort the articles into categories for later reference.
D．Stop buying magazines which you don’t have time to read.

A．Noblemen centuries ago did not like traveling.
B．Heredity is not the only thing that influences our color.
C．Exposure to sunlight is the only thing that determines skin color.
D．Having a tan is considered a sign of wealth nowadays in North America.