問題詳情

9.The MRT is a very convenient means of ________ in big cities. People are encouraged to use it to get around.
(A) thread
(B) wagon
(C) sneaker
(D) transportation

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)