If you don’t study hard, you’ll regret, _____ you?
#95190
A
won’t
B
don’t
C
will
D
do
推荐题目
It is careless _______ such a mistake.
#92884
A
of you to make
B
of your making
C
for you to make
D
for your making
The old couple married for 40 years and never once____ with each other. 
#95134
A
they had quarreled.
B
they have quarreled
C
have they quarreled
D
had they quarreled.