单项选择题
A. Maria is in the library now. B. Maria didn’t pass the exam. C. Maria is probably a college student. D. The man wants to see Maria at his office.
A. Because she is on the executive staff. B. Because she is familiar with the company. C. Because she has knowledge of management. D. Because she has an outstanding achievement.
A. It is a private company. B. It is controlled by the government. C. It cannot be used for government propaganda. D. It can be used by private individuals and firms.