_____ new cure for this disease that medical experts have recently developed proved to be _____ most effective, although it can not completely kill all the viruses.
A. A; a B. The; / C. /; the D. A; the
_____ new cure for this disease that medical experts have recently developed proved to be _____ most effective, although it can not completely kill all the viruses.
A. A; a B. The; / C. /; the D. A; the
B