单项选择题
A. What jobs are available to support families. B. How people can save more money. C. How to get a good deal on a new car. D. What kinds of houses they should buy.
A. Scientists consider apes may drive trains some day. B. Apes have worked in some factories. C. Apes may one day be used to gather crops. D. An ape is not a large monkey.
A. Black stands for unhappiness. B. Black makes people think of night. C. Black makes people think of sorrow. D. Black is the color of the mourning.