Not until ___to do my homework ____ how much time I had wasted playing computer games.
#82209
A
I began; I realized
B
I began; did I realize
C
did I begin; I realized
D
did I begin; did I realize
推荐题目
 Generally speaking, ________according to the directions, the medicine has no side effect.
#81943
A
when taken
B
when taking
C
when to take
D
when to be taken
Only __ as an interpreter __ how important it was to practise speaking English.
#83211
A
when did I work...I realized
B
when did I work...did 1 realize
C
when I work...did I realize
D
when I worked...did I realize