The detective entered the crime scene ___ to investigate it. He did not notify the
police or tell anyone else about the investigation.
(A)surreptitiously
(B)expediently
(C)boisterously
(D)officiously
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統計: A(159), B(22), C(7), D(9), E(0) #432178
統計: A(159), B(22), C(7), D(9), E(0) #432178