If you         hard, you        a good grade in the exam.
#41065
A
study, have
B
will study, will have,
C
will study, have
D
study, will have
推荐题目
_____several times,but unfortunately,the boy still couldn’t smooth away the problem on his own.
#73673
A
Having been explained
B
The problem having been explained
C
The problem had been explained
D
Although the problem had been explained
What ______ you ______ when you father came back?
#41367
A
did, do
B
are, doing
C
were, doing
D
do, do