______ you are at home alone, please don’t leave the door open.
#34707
A
While
B
As
C
Before
D
How
推荐题目
The engineers are so busy that they have zero time for outdoor sports activities,___they have the interest.
#30725
A
wherever
B
whenever
C
even if
D
as if
______ time goes on,people ______ better housing and jobs.
#80131
A
When;want
B
While;need
C
As;demand
D
Since;ask
I haven’t read the book for __________ long _______I’ve forgotten what it is about.
#33742
A
such; that
B
so; as
C
so; that
D
such; as
.It will not be ________ we can meet again.
#33845
A
long before
B
before long
C
soon after
D
shortly after