________ you are responsible for the information, you must be very careful.
#31810
A
Unless
B
While
C
Since
D
Though
推荐题目
Nowadays teens prefer going to the cybercafé ，_____ ,as is known to us, they can chat with their friends by QQ or play games.
#34380
A
which
B
where
C
that
D
when
The researchers found clear and convincing evidence ________ happiness is the key when it comes to better health and longer lives.
#32958
A
where
B
whether
C
how
D
that
I had just gone to bed after a tiring day the phone rang loud enough to wake up the dead.
#33186
A
as
B
when
C
after
D
while
How long do you think it will be _______ China sends another manned spaceship to the moon?
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A
when
B
until
C
that
D
before