．—What’s the matter with the man hanging his head there? —Well, if you _______ know, he was caught stealing my bike.
#88321
A
must
B
may
C
can
D
shall
推荐题目
As many as 150 miners died in the accident．If only the mine - owners ____ enough attention to the safety measures!
#87187
A
paid
B
should pay
C
would pay
D
had paid
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
I _____ my son ____ a doctor,but he wasn’t good enough at science.
#90387
A
hoped; would become
B
had hoped ; would become
C
had hoped ;will become
D
hope; will become
If he had worked harder, he _________.
#88201
A
would succeed
B
had succeeded
C
should succeed
D
would have succeeded