单项选择题
A．Jane is looking for a summer job. B．Jane is packing for the summer vacation. C．Jane is on her way home. D．Jane is eager to go home for the vacation.
A．Fried potatoes. B．Tomato juice. C．Sweet corn. D．Chocolate beans.
A．By selling services that make life comfortable. B．By selling land containing oil. C．By selling public lands. D．By selling coal and other natural products.