問題詳情

6. My mom always goes to work by bus; however, my father always goes to work ______________ a car.
(A) on
(B) in
(C) at
(D) by

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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