I____ asleep because it took me a long time to realize that the telephone was ringing.
#88031
A
could have fallen
B
should have fallen
C
must have fallen
D
mustn’t have fallen
推荐题目
We ________ such great achievements without your efforts. Thanks a lot.
#87483
A
can’t have made
B
couldn’t have made
C
were unable to make
D
are unable to make
---He will take you as well.---But I’d rather he ______.
#87584
A
won’t
B
didn’t
C
doesn’t
D
wouldn’t