单项选择题
A.Introduction to Flying Blue B.Flying with Air France and KLM C.Accumulation of Air Mile Points D.Levels of Flying Blue Membership
A.they are outdated B.they need to be oiled C.they become worn out D.they are easily available
A.All the members enjoy equal benefits B.Ivory is the starting membership level. C.Fliers can choose any membership level. D.VIP rooms are only for the Platinum level.