問題詳情

22.「ETA / pilot reverting」means：
(A)ETA pilot station has been given
(B)ETA pilot station will be given afterwards
(C)ETA pilot station revised
(D)ETA was duly received by the pilot station

參考答案

答案：B
難度：困難0.355932
統計：A(2),B(21),C(20),D(10),E(0)