A．How to order a meal at McDonald.
B．The history of restaurant.
C．Two brothers-Mac and Dick McDonald.
D．The development of McDonald.

A．Colombia.
B．Peru.
C．Bolivia.
D．Vietnam.

A．Pay farmers to plant other crops.
B．Forbid farmers to grow coca.
C．Punish those farmers who run drug business.
D．Tell farmers the harmful effect.