单项选择题
A. A college diploma. B. A high school diploma or GED. C. Two-year study experience. D. Two-year working experience.
A. Because he is lazy. B. Because he is not alone. C. Because he is too tired to communicate with others. D. Because he wants to keep a secret what he is doing.
A. A school that teaches computer science. B. A school that teaches English. C. A school that teaches business management. D. A school that teaches communication technology.