It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62951
A
may
B
couldn’t
C
should
D
needn’t
推荐题目
Some frightening pets _________ be kept home so that they won’t hurt others.
#75599
A
can
B
may
C
must
D
need
–I have packed your luggage for you need to rise early tomorrow. --Thanks. You ______ that. I am a big girl now and I can manage it, Mum.
#62529
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
“The interest ________ be divided into four parts, according to the contract between the two sides,” declared the judge.
#62847
A
may
B
should
C
can
D
shall
– Excuse me, sir. But nobody _____ smoke here in the lift! -- Sorry! I didn’t see the sign.
#62777
A
will
B
shall
C
can
D
may
The door _______ open, no matter how hard she pushed.
#62534
A
shouldn‘t
B
couldn't
C
wouldn't
D
mightn't