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
What a kind teacher. But for his help, I __________ my study.
#86462
A
wouldn’t finish
B
wouldn’t have finished
C
shouldn’t have finished
D
mustn’t have finished
“Show me your permit, please.” “Oh, it’s not in my pocket. It ______.”
#89543
A
might fall out
B
could fall out
C
should have fallen out
D
must have fallen out
If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _______ to the house next door.
#87868
A
could spread
B
should have spread
C
would spread
D
might have spread