Several weeks had gone by____I realized the painting was missing.
#31267
A
as
B
before
C
since
D
when
推荐题目
I was about to get on the bus ____someone called me from behind.
#33059
A
until
B
whether
C
while
D
when
There are fewer teaching positions left in big cities, ______ at the same time there are shortages of teachers in small towns．
#33447
A
or
B
and
C
so
D
for
________there is no law stating how you may dress，not all fashions are respectable.
#30225
A
Because
B
Since
C
While
D
Unless
A number of people suffer ill effects from drugs ______ they take the drug exactly as directed.
#34523
A
even though
B
as if
C
in case
D
in that