A．On Thursdays and Saturdays.
B．On Tuesdays and Thursdays.
C．On Mondays and Thursdays.
D．On Tuesdays and Fridays.

A．The land is flatter with fertile soils.
B．The land is hilly with thin soils.
C．The land is hilly with warm climate.
D．The land is flatter with cold climate.

A．The eastern region.
B．The southern region.
C．The western region.
D．The northern region.