問題詳情
16. Tim wanted to be an undercover detective so he could participate in _____ operations.
(A) overt
(B) covert
(C) circumspect
(D) banal
參考答案
答案：B
難度：適中0.459459
統計：A(5),B(34),C(19),D(4),E(0)
用户評論
【tina616p】評論
undercover detective n.便衣偵探、臥底探員covert operations n.秘密行動