单项选择题
A．To warn people of emergencies via messages. B．To popularize the use of cell phones. C．To estimate the monthly number of messages. D．To promote the wireless industry.
A．Japan B．Italy C．Canada D．the United States
A. when did you get back B. What a surprise I got C. How I admire you D. I am Tom E. got hold of F. got through G. this is Tom H. tried to contact you