单项选择题
100% satisfaction guaranteed or your money back.（）
A. We guarantee to be satisfied with our service. B. We will return money if you are not satisfied with our service. C. We promise to return, your money to satisfy you.
单项选择题 To rent a portable computer or mobile phone, clients must have a credit card and valid passport.（）
单项选择题 Your early reply to this inquiry will be highly appreciated.（）
