______ I could say a word, she had stormed out of the room.
#31227
A
When
B
As
C
While
D
Before
推荐题目
___ we know some basic knowledge concerning AIDS, we can protect ourselves from being infected.
#33392
A
If only
B
Even if
C
So long as
D
Unless
A total of 548 students fell ill ______ consuming milk and biscuits in schools in Northwest China's Qinghai province on Wednesday, local authorities said.
#31253
A
before
B
when
C
after
D
while
_______ we were studying abroad, we learned much about foreign culture and customs.
#31663
A
Since
B
While
C
After
D
During
The police officers in our city work hard _____ the rest of us can live a safe life.
#31259
A
in case
B
as if
C
in order that
D
only if