______ you understand it, it’s easy for you to obey it.
#33755
A
As soon as
B
Once
C
Unless
D
The moment
推荐题目
I haven’t had a phone in the house for three weeks now, and it’s several days ____I used a phone box last time.
#30092
A
as
B
when
C
if
D
since
More strict measures should be taken____more people are infected with the virus of H1N1 flu.
#34046
A
so that
B
as if
C
in case
D
even if
________ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
#79667
A
While
B
As
C
Because
D
If
You should allow your children the space to voice their opinions,______they are different from your own..
#80476
A
until
B
even if
C
unlness
D
as though