________ he studies hard, he will never pass the examination. 
#80248
A
If
B
Unless
C
Even if
D
Even though
推荐题目
He behaved           nothing had happened. 
#30938
A
even though
B
because
C
although
D
as though
___ she spoke, I ___ realize she was a Japanese.
#79762
A
When, /
B
Until, didn't
C
Before, don't
D
till, didn't
 He’ll come _______ I promise him to buy that new dictionary.
#33514
A
so long
B
on condition that
C
as soon as
D
by the time