It's dark, Mum ___ be waiting for my return.
#89027
A
can
B
should
C
must
D
may
推荐题目
Doctors say that exercise is important for health, but it _______ be regular exercise.
#87072
A
can
B
will
C
must
D
may
He___ have attended the meeting this morning. He has been staying at my home for a whole day.
#88533
A
can’t
B
mustn’t
C
shouldn’t
D
needn’t
Were it not for the fact that his father is on the board of directors, he ______ the job.
#87737
A
will never get
B
will never have got
C
would never get
D
would never have got
If they what I was saying, they'd know what I was talking about
#86853
A
took the trouble to listen to
B
had trouble listening to
C
take the trouble to listen to
D
have trouble listening to
Maybe if I_____ science, and not literature then, I would be able to give you more help.
#86597
A
studied
B
wouldstudy
C
hadstudied
D
wasstudying