_______ we got to the station, the train had left already.
#30920
A
If
B
Unless
C
Since
D
When
推荐题目
The news _____ the spaceship succeeded in returning to the earth spread everywhere.
#29945
A
that
B
which
C
whether
D
what
He is a key ____________ in the murder so we must protect him from all kinds of danger.
#34297
A
witch
B
watcher
C
wizard
D
witness
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
The new CEO demanded that all inter-office communications ______ in writing rather than in person, ______ possible.
#31016
A
have been made; whoever
B
would be made; whichever
C
be made; whenever
D
were made; whatever