Although the police thought he was the most likely one, _____ they had no exact proof about it, they could not arrest him.
#32949
A
when
B
until
C
before
D
since
推荐题目
- Have you known each other for long?- Not really. ________ we started to work in this school.
#30808
A
Just after
B
Just when
C
Ever since
D
Just before
—Look, the paint is starting to come off ____ the wall is damp.—Well, we'd better have the wall repainted some day.
#31419
A
when
B
where
C
if
D
once
Although they just met for the first time, they talked _____ they had been friends for many years．
#33494
A
as long as
B
even if
C
such as
D
as if
How foolish I was! _______ you have realised that, stop blaming yourself.
#30751
A
Now that
B
Unless
C
Although
D
Even if