Jack _____ yet, otherwise he would have telephoned me.
#89350
A
mustn’t have arrived
B
shouldn’t have arrived
C
can’t have arrived
D
needn’t have arrived
推荐题目
— Tom is never late for work. Why is he absent today ?— Something _______ to him. 
#90568
A
must happen
B
should have happened
C
could have happened
D
must have happened
— Thank God! The accident was avoided after all.—That was lucky, but ten inches nearer the two cars _________?
#86562
A
was destroyed
B
would be destroyed
C
would have been destroyed
D
had been destroyed
 If I ____ you, I would join the army.
#86757
A
am
B
was
C
were
D
would be