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)

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