The manager ______ the worker how to do it, or the accident couldn’t have happened.
#87803
A
couldn’t have told
B
ought to tell
C
could have told
D
mustn’t have told
推荐题目
一What if you_____ to send an essay with your application?一I would have been rejected.
#86671
A
forgot
B
would forget
C
had forgotten
D
should forget
I was really anxious about you. You ______ home without a word.
#89821
A
mustn’t have left
B
shouldn’t have left
C
couldn’t have left
D
needn’t have left
Mary is ill today. If she ______ ill, she _______ absent from school.
#86974
A
weren’t; couldn’t be
B
wasn’t; wouldn’t have been
C
wasn’t; wouldn’t be
D
weren’t; won’t be