阿摩線上測驗
18. The police officers were found guilty of serious _____ of duty.
(A) declension
(B) dereliction
(C) detonation
(D) discretion
(E) disposition
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統計： A(4), B(30), C(6), D(6), E(12) #3233414
統計： A(4), B(30), C(6), D(6), E(12) #3233414
