阿摩線上測驗
12. All electronic _____ must be turned off during the takeoff and landing of a flight.
(A) shocks
(B) outlets
(C) cabins
(D) devices
答案：登入後查看
統計： A(9), B(9), C(21), D(276), E(0) #2509970
統計： A(9), B(9), C(21), D(276), E(0) #2509970
