Whenever he worked until midnight, he        drink some coffee to get refreshed.
#63548
A
could
B
should
C
must
D
would
推荐题目
It _____ last night., because the ground is all wet 
#63480
A
should rain
B
should have rained
C
must rain
D
must have rained
—I don’t mind telling you what I know. —You _____. I can manage it myself. 
#63188
A
mustn’t
B
ought not to
C
can’t
D
don't have to
That man ________ be Mary’s father, as he is much taller.
#76683
A
can
B
must
C
can’t
D
mustn’t