I failed again in the examination and only then _____ how much time I had wasted.
#82391
A
I realized
B
I had realized
C
did I realize
D
had I realized
推荐题目
—How was the 2008 Beijing Olympic opening ceremony? —________ that the whole world was attracted.
#84502
A
It was very fantastic
B
Such fantastic was it
C
So fantastic was it
D
So fantastic it was
How frequently _______, the works of Shakespeare always attract many people.
#80666
A
performed
B
performing
C
being performed
D
to be performed
_______，the farmers continued working in the fields.
#83749
A
Late as it is
B
Late as it was
C
Though late it was
D
Although it was as late
The achievements of the greatest minds in science could never have been reached________ the patient work of hundreds of others．
#83215
A
were it not for
B
had it not been because
C
had it not been for
D
if it had not been
Beneath our feet ______ that our life depends on for food and clothing.
#82907
A
the earth lay
B
the earth lies
C
lie the earth
D
lies the earth