单项选择题
A．The color of school buses is the same as other buses. B．All the schools have their own buses. C．The space among seats is large in order to make children feel comfortable. D．Most of school buses have seats placed quite close together.
A．cheap fare B．frequent travel C．speed D．directness
A．huge and continuous sections of land B．large and beautiful land C．small but beautiful land D．huge districts of land