单项选择题
A．In a couple of days. B．Right away. C．In two months. D．Early next month.
A．Reduced cost of telecommunications. B．Improved reliability of internet service. C．Access to broadband everywhere. D．Availability of the VolP service.
A．They were both chairpersons of the students’ union. B．They have known each other since their schooldays. C．They are going to hold a reunion party. D．They have been in close touch by email.