A.Medium of exchange
B.Store of value
C.Financial assets
D.Standard for deferred payment
A.the manager asked him to do so
B.he respected the elderly
C.the couple wanted him to do so
D.he wanted more pay
A.nervous
B.satisfied
C.unhappy
D.excited
A.people dislike being called "old"
B.people are proud of being old
C.many people reach the age of seventy or eighty
D.the elderly are the first to get food in restaurants__________.