問題詳情

54. NASA decided to get another 747 SCA for the reason that if one is ___, the other can be used.
(A) run out
(B) out of service
(C) out of sight
(D) out of control

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)