試題詳解

4. While working an 8:00 a.m. to 4:00 p.m. ________ on May 24, 2015, Police Officers Tsai and Lin received a radio call at 1:50 p.m. to investigate a report of a man with a gun in front of 56 Suren Avenue.
(A) job
(B) shift
(C) task
(D) work
(E) turn