Not until all the fish died in the river ______ how serious the pollution was.
#83100
A
the villagers did realize
B
the villagers realized
C
did the villagers realize
D
didn’t the villagers realize
推荐题目
- Would you like to have tea or coffee?- ________.
#83139
A
Either will do
B
Neither do I
C
Yes, please
D
It doesn’t matter
 John opened the door. There _______ he had never seen before. 
#83015
A
a girl did stand
B
a girl stood
C
did a girl stand
D
stood a girl
Not until _______ home _______ her appointment with the doctor.
#82872
A
she arrived; did she remember
B
did she arrive; that she remember
C
she arrived; when she remembered
D
did she arrive; had she remembered