問題詳情

22. This vessel had a crew of 18 Ukrainian nationals, all of whom were appropriately qualifiedfor the positions they held on _______ board the ship.
(A) who
(B) which
(C) whom
(D) where

參考答案

答案：C
難度：適中0.68
統計：A(2),B(16),C(51),D(6),E(0)