Not until the press reported the pollution _________ why the water supply had been cut off.
#81622
A
people did know
B
people had known
C
did people know
D
had people known
推荐题目
----Have you got any particular plans for the coming holiday? ----Yes. , I’m going to visit some homes for the old in the city.
#80649
A
If ever
B
If busy
C
If possible
D
If anything
Not until yesterday that I had made a serious mistake.
#79928
A
didn’t I realize
B
did I realize
C
I didn’t realize
D
I realize
-- I can never afford a new house like that! --- ________ . The price is too high.
#81934
A
So I can.
B
So can I
C
Neither I can
D
Neither can I
________ that all mountain roads were closed.
#82833
A
So became the dangerous weather
B
So dangerous did the weather become
C
So dangerous became the weather
D
Dangerous the weather became so
Not until he met with the difficulty _______ the importance of group work.
#82975
A
he realized
B
did he realize
C
realized he
D
he didn’t realize