It’s crazy of you to spend more time playing computer games than you _______ studying. 
#79648
A
are
B
have
C
do
D
will
推荐题目
Not until he failed in the last examination _________ he should have spent more time on study.
#80473
A
did he realize
B
he realized
C
did he not realize
D
he didn’t realize
On the top of the mountain ______, dating from the 14th century.
#80554
A
does an old temple stand
B
stand an old temple
C
an old temple is standing
D
stands an old temple
 I failed in the final examination last term and only then ________ the importance of studies. 
#81085
A
I realized
B
I had realized
C
had I realized
D
did I realize