A. air journeys are quite often far from comfortabl
B. air travellers usually enjoy luxury during flight:
C. air travellers usually enjoy upgraded condition
D. airliries always provide good in-flight entertainmen
A. new engine
B. strong material
C. proper maintenanc
D. new interio

A. Airlines' flight service manager,
B. Automobile service station manage
C. Assistant site manage
D. Carpenter superviso