阿摩線上測驗
63 Many airlines operate overbooking policies because a small number of passengers having made
their bookings, do not________ up for their flights.
(A)carry
(B) sign
(C)take
(D) turn
答案：登入後查看
統計： A(19), B(67), C(62), D(100), E(0) #1766224
統計： A(19), B(67), C(62), D(100), E(0) #1766224
