問題詳情

17.The fear of air crash makes him always choose to fly with an _____ that has the best safety record.
(A) airline
(B) aircraft
(C) air-conditioner
(D) airmail

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)