The world's first duty-free airport was______.
A.Shannon Airport B.J. F. Kennedy International Airport C.Heathrow Airport D.Lester B. Pearson International Airport正确答案A
The world's first duty-free airport was______.
A.Shannon Airport B.J. F. Kennedy International Airport C.Heathrow Airport D.Lester B. Pearson International Airport正确答案A