单项选择题
A．It is a routine offer. B．It is quite healthy. C．It is new on the menu. D．It is a good bargain.
A．They were made to study hard like prisoners. B．They called each other by unaffectionate nicknames. C．Most of them did not have any sense of discipline, D．Their school performance was getting worse.
A．They are reluctant to give up their personal information. B．They don’t know their personal data enriches Facebook. C．They don’t identify themselves when using the website. D．They care very little about their personal information.