Generally speeking,()should have a valid permit when he needs to enter the departure lounge.
A.a passenger
B.a crew member
C.an airport staff
D.a temporary visitor
正确答案:ABCD

Generally speeking,()should have a valid permit when he needs to enter the departure lounge.
A.a passenger
B.a crew member
C.an airport staff
D.a temporary visitor
正确答案:ABCD