問題詳情

1. Both elevators are _______, so I had to use the stairs.
(A) neither serving
(B) no serving
(C) no services
(D) out of service

參考答案

答案：D
難度：適中0.602649
統計：A(3),B(34),C(12),D(91),E(0)

用户評論

【Elia Cheng】評論

兩部電梯都是停止運作，所以我不得不使用樓梯。