单项选择题
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.
A. The first person to climb Nanga Parbat alone. B. The first person to climb the Himalayas with the Alpine style. C. The first person to reach the highest point of the Himalayas. D. The first person to climb the Himalayas in winter.