Not until I began to work ______ how much time I had wasted.  
#81906
A
didn't I realize   
B
did I realize  
C
I didn't realize 
D
I realize
推荐题目
Tom doesn’t want to take part in any school activities,________.
#84199
A
and David doesn’t too
B
and David doesn’t either
C
and so doesn’t David
D
and either does David
Only in this way ____to make an improvement in the operating system.
#79589
A
you can hope
B
you did hope
C
can you hope
D
did you hope
Only after they had discussed the matter for a few hours ______ a decision.
#80470
A
they reached
B
did they reach
C
they reach
D
do they reach
________, his idea was accepted by all the people at the meeting.
#81432
A
Strange as might it sound
B
As it might sound strange
C
As strange it might sound
D
Strange as it might sound
_______that all mountain roads were closed.
#84452
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