单项选择题
A. The accident happened in the Yellow sea. B. The accident happened on Friday night. C. The cause of the accident has been determined. D. 46 sailors were missing in total.
A. Books. B. Documents. C. Magazines. D. Newspapers.
A. compete for customers. B. reduce the size of their staff’. C. provide services for distant clients. D. expand their operations at a lower cost.