Not until all the fish died in the river ______ how serious the pollution was.
A) the villagers realized C) did the villagers realize
B) the villagers did realize D) didn't the villagers realize

A．Thousands of people took part in the work when the old temple ______.
B．was rebuilding
C．was being rebuilt
D．would be rebuilt
E．had been rebuilt

A．I think ______ part of the novel is more interesting than the former part.
B．the lately
C．the last
D．the later
E．the latter