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
Class regulations require _____ is the last to leave the classroom _____ off all the lights.
#90190
A
who; should turn
B
whom; shall turn
C
whomever; turns
D
whoever; turn
Jack a great talker. It’s high time that he __ something instead of just talking.
#86567
A
will do
B
has done
C
do
D
did
The doctor said I was over-weight. If only I _____ less!
#89982
A
ate
B
have been eating
C
have eaten
D
had eaten
Tom’s boss told Tome that if he worked hard, he _____ have a rise.
#87797
A
may
B
ought to
C
can
D
shall
--Tom! Did you go to see the film Journey to the Center of the Earth? --- Yes, but I really _______ , because I had lots of homework to do.
#87040
A
needn’t have
B
mustn’t have
C
couldn’t have
D
shouldn’t have