問題詳情

19. In Taipei, many people ride______ the MRT to work every morning. It is clean and fast.
(A) in
(B) on
(C) at
(D) X

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)