_____ we have enough evidence, we can’t win the case.
#30147
A
Once
B
As long as
C
Unless
D
Now that
推荐题目
_____there are many different types of food, some animals spend their lives eating only one type.
#30402
A
Since
B
As
C
Despite
D
While
In rugby（橄榄球），the ball is usually carried forward by players, ______kicking is permitted.
#33601
A
so
B
in case
C
so that
D
though
______ English is more and more important for our future, we should spend more time on it.
#34556
A
Since
B
While
C
In case
D
Even though
—May I go outside and play for a while, Dad?—No, you can’t ____ your homework is being done.
#34531
A
until
B
as
C
before
D
the moment