Not until all the fish died in the river ________ how serious the pollution was. 
#84292
A
did the villagers realize
B
the villagers realized
C
the villagers did realize
D
didn’t the villagers realize
推荐题目
_________ can you expect success.
#81395
A
By working hard
B
Working hard
C
Only with hard work
D
Through hard work
What would have happened,        as far as the river bank?
#81563
A
Bob had walked farther
B
if Bob should walk farther
C
if Bob walked farther
D
had Bob walked farther
Only after you explained it to me ____ it was not my teacher’s fault.
#82755
A
I realized
B
had I realized
C
realized I
D
did I realize
Only when he apologizes for his rudeness ____to him again.
#81024
A
I will speak.
B
will I speak.
C
do I speak.
D
I speak.