Many questions have been answered by John. He must have previewed the lessons last night, ____ he?
#87702
A
needn’t
B
hasn’t
C
didn’t
D
mustn’t
推荐题目
—Did you meet with the famous space hero , Yang Liwei ?— I had come here earlier !
#88988
A
If only
B
If not
C
But for
D
For fear
Attention, please. All of you students _______ remain in their seats until all the papers have been collected.
#86602
A
can
B
will
C
may
D
shall
Had the boy worked harder, he ______ the exam.
#86940
A
must have got through
B
could get through
C
ought to get through
D
would have got through
John went to the hospital alone. If he me about it, I would have gone with him.
#86889
A
should tell
B
tells
C
told
D
had told
If I _______ that program the day before yesterday, my computer wouldn’t have broken down.
#86758
A
didn’t run
B
haven’t run
C
hadn’t run
D
were not to run