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
—Who has taken my pen away?—__________. He was here a moment ago.  
#90019
A
It must be Li Ping
B
It is Li Ping take
C
Li Ping is
D
Li Ping must take
Our teacher demanded that all of us ______ English every day.
#86729
A
should practise to speak
B
would practise speaking
C
could practise speaking
D
practise speaking