_________ did the students realize that they were mistaken about spiders. 
#83106
A
It was until then
B
It was not until then
C
Not until then
D
Not until when
推荐题目
__ we know, in a chemical change, energy cannot be created, ____.
#84563
A
Which, nor can it be destroyed
B
As, neither it can be destroyed
C
As, neither is it able to be destroyed
D
What, nor is destroyed
 The girl spent as much time as she ____ her lessons.
#84639
A
could going over
B
could go over
C
went them over
D
went over
So small ________ that they don’t admit much light at all.
#80137
A
the windows are
B
the window is
C
are the windows
D
is the window
Not only        late, he also forgot his book.
#82257
A
had he turned up
B
he had turned up
C
he turned up
D
did he turn up