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
Hearing the dog barking fiercely, away__________.
#82470
A
fleeing the burglar
B
was fleeing the burglar
C
the burglar was fleeing
D
fled the burglar
 _______, they had no chance of winning the war.
#80143
A
As they fought bravely
B
Bravely though they fought
C
Brave as they fought
D
Though they fought brave
At the meeting place of the Yangtze River and the Jialing River __________, one of the ten largest cities in the world.
#81217
A
does Chongqing lies
B
Chongqing lies
C
does lie Chongqing
D
lies Chongqing
(2013·陕西宝鸡二检)Not until he went abroad for further study ________ how attached he was to his parents.
#79794
A
that the realized
B
had he realized
C
did he realize
D
that he had realized