_______ we got to the station, the train had left already.
#30920
A
If
B
Unless
C
Since
D
When
推荐题目
A man does not know the difficulty of anything _____ he does it personally .
#80502
A
although
B
if
C
because
D
unless
________it is hoped that college students should be equipped with the ability to take a good set of notes, this is not always the case．
#30984
A
When
B
While
C
As
D
Unless
John thinks it won’t be long _________ he finishes the tough work.
#31516
A
when
B
after
C
since
D
before
We’d better stay here a little longer he turns up unexpectedly.
#30909
A
although
B
in case
C
since
D
if only