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
推荐题目
_____ I heard his voice trembling did I realize what trouble he was in.
#83256
A
Only when
B
Until when
C
No sooner had
D
Hardly had
— If my sister goes to watch the singing competition named “I am a singer” next time, _______. The competition is well organized.— _______.
#81075
A
so do I; So is it
B
so do I; So it is
C
so will I; So is it
D
so will I; So it is
The research is so designed that, once _______, nothing can be done to change it.
#80383
A
begins
B
having begun
C
begun
D
Beginning
I have been living in the United States for twenty years,but seldom _______ so lonely as now.
#83839
A
have I felt
B
I had felt
C
I have felt
D
had I felt