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
Charlie ______ be really difficult at times even though he’s a nice person in general.
#63613
A
shall
B
should
C
can
D
must
––– I promise my daughter ____ get a nice present on her birthday. ––– I think it will be a big surprise to her.
#63682
A
must
B
shall
C
might
D
need
— My clothes are out of style.-—Maybe you should ______ some new clothes.
#76731
A
buy
B
bought
C
buying
D
bought
It has been announced that students remain in their seats until all the papers have been collected.
#63191
A
can
B
will
C
shall
D
may