問題詳情

39.Though the policeman __________ at the time, he recognized the man as a wanted criminal andarrested him on the spot.
(A) was of service
(B) was out of service
(C) was on duty
(D) was off duty
(E) got off work

參考答案

答案:D,E
難度:非常困難0.0416667
統計:A(4),B(10),C(3),D(11),E(9)

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