Only when I checked the paper once more _________ there was a mistake.
#81527
A
I realized
B
did I realize
C
I had realized
D
had I realized
推荐题目
 ---How was the weather then? ---Hardly _____ off the plane when it started to rain.
#81637
A
I had stepped
B
had I stepped
C
I stepped
D
did I step
.— I like football.— ______ my sister and me.
#84279
A
So do
B
So are
C
So did
D
So it is with
When ________ different cultures,we often pay attention only to the differences .
#80311
A
compared
B
being compared
C
comparing
D
having compared
Not until I was standing on the edge of death ____ how much I wanted to live.
#83021
A
I realized
B
did I realize
C
I had realized
D
had I realized