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The fire started on the second floor and it wasn't long ______ the whole building was burned down.
#30713
A
while
B
when
C
after
D
before
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_______ you don’t stay out too late, you may go to the party. But remember to be back here no later than 11:30 pm.
#31332
A
Now that
B
Until
C
Provided that
D
Although
 ________ I had worked for ten hours, I was tired out.
#79858
A
After
B
Before
C
When
D
As
Children of this age should be reminded of________ to do in public places.
#30654
A
what
B
whether
C
how
D
why
I have many friends, _____ some are businessman.
#33775
A
of them
B
from which
C
who of
D
of whom
________ I really don’t art, I find his work impressive.
#31225
A
As
B
Since
C
While
D
If