Not until all the fish died in the lake __________ how serious the pollution was.
#80197
A
did the villagers realize
B
the villagers realized
C
realized the villagers
D
do the villagers realize
推荐题目
No sooner______ themselves in their seats in the hall than the speaker began his speech.
#79974
A
they settled
B
had they settled
C
did they settle
D
they had settled
 ________ for the fact that she broke her leg, she might have passed the exam.
#81417
A
Hadn’t it been
B
Had it not been
C
Was it not
D
Were it not
 Not until he left home ________ the importance of his family.
#80238
A
he realised
B
did he realise
C
he did realise
D
realised he
Two hours away from the tall buildings of New York         .
#79739
A
some of the world’s largest bears live
B
lives some of the world’s largest bears
C
do some of the world’s largest bears live
D
live some of the world’s largest bears