阿摩線上測驗
2. Please _____ your flight reservation at least 24 hours prior to the scheduled departure.
(A) confirm
(B)concur
(C) conduct
(D) concord
答案：登入後查看
統計： A(334), B(7), C(17), D(1), E(0) #814330
統計： A(334), B(7), C(17), D(1), E(0) #814330
