It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62254
A
couldn’t
B
may
C
should
D
needn’t
推荐题目
We were looking for you all this morning. You office without a word.
#62458
A
mustn’t have left
B
shouldn’t have left
C
couldn’t have left
D
needn’t have left
— She looks rather upset. She the exam.— I guess so. It’s very difficult after all.
#62573
A
must have failed
B
can fail
C
would have failed
D
should fail
—I’m afraid you missed a fantastic lecture yesterday. How come you were absent from it?—If you _______ know, I asked for a day off and visited a relative of mine in hospital.
#62208
A
might
B
may
C
shall
D
must
(2013·高考四川卷)—Why are your eyes so red? You________have slept well last night.—Yeah，I stayed up late writing a report.
#62468
A
can’t
B
mustn’t
C
needn’t
D
won’t
—I’m sorry. I ________ at you the other day.— Forget it. I was a bit out of control myself.
#63421
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t haven’t shouted