---We can't be successful _____ we keep on working hard. ---I agree with you.
#57280
A
if
B
because
C
unless
D
until
推荐题目
__________ the story is short and there are few new words in it, it is difficult to understand.
#57853
A
Though
B
When
C
For
D
If
Li Na is_______ famous_______ all the tennis fans in China know her.
#55953
A
too; to
B
enough; to
C
as; as
D
so; that
—How do you plan to travel to Beijing, Jack?—I haven’t made up my mind ________to go by plane or not.
#55148
A
if
B
whether
C
when
D
how