問題詳情

【題組】23.
(A)The frequent train delays.
(C)The food sold on the trains.　　
(B) The high train ticket fares.
(D)The monopoly of British Railways.

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)