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
All the dishes in this menu， _____ otherwise stated， will serve two to three people.
#79929
A
as
B
if
C
though
D
unless
We haven't settled the problem of ________ it is necessary for him to study abroad.
#30307
A
why
B
whether
C
what
D
how
How did you manage to get to school on time ______ you missed the school bus?
#79910
A
when
B
if
C
once
D
because
---Did you remember to give Jenny the money?---Yes. ________ I saw her, I'm sure.
#31396
A
So long as
B
So far as
C
The moment
D
Any time