Passenger should () and prepare their ().

题库:安检员 类型:多项选择题 时间:2019-01-15 16:52:24 免费下载:《民航安全检查员初级理论知识试卷（三）》Word试卷

Passenger should () and prepare their ().
A.air-ticket
B.boarding card
C.airport fee
D.line up inorder

;