Not until all the fish died in the river _____ how serious the pollution was.
#82352
A
did the villagers realize
B
the villagers realized
C
the villagers did realize
D
didn't the villagers realize
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However frequently ,the works of Shakespeare always attract many peo - ple.
#80784
A
performed
B
performing
C
being performed
D
to be performed
Anyone, once ____ positive for H7N9 flu virus, will receive free medical treatment from our government.
#81020
A
to be tested
B
being tested
C
tested
D
to test
I suffered in a heavy accident the other day and only then the value of life
#84348
A
had I realized
B
did I realize
C
I realized
D
I had realized
The lazy boy is indeed unusual: he knows nothing, ______ does he seek to know.
#81274
A
so
B
either
C
nor
D
or
-----I think it _______ to smoke . ------ _______.
#83961
A
was wrong; Neither do I
B
wrong; So do I
C
wrong; So I don’t
D
wrong; So I do