_______ you work hard, you won’t solve this problem.
#32455
A
Even
B
As
C
Unless
D
Since
推荐题目
He spoke with Clare, the telephone rang three times.
#32687
A
to which
B
during which
C
on which
D
for which
The boy became fatter and fatter each day and __________ made his parents sad.
#33223
A
which
B
what
C
he
D
it
I have been in low spirits ______she left our school
#31779
A
ever before
B
ever so
C
ever since
D
than ever