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)

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