She had to work deep into the night, ______she couldn't have spread the messages to all the relevant people successfully.
#86759
A
while
B
but
C
otherwise
D
so
推荐题目
The scientists are urging that the chemical _____.
#87240
A
is banned
B
should ban
C
be banned
D
must be banned
The young man insisted that he_____nothing wrong and___free. 
#89951
A
did; set
B
had done; should be set
C
do; be set
D
had done; must be set
If you ________ yesterday,you ________ with your mother now.
#87090
A
set off; would talk
B
had set off; would be talking
C
set off; would have talked
D
had set off; would talk