—Let’s go to watch the cosplay show! —Sorry, I       . I have to go to my guitar lesson. 
#74411
A
shouldn’t
B
mustn’t
C
needn’t
D
can’t
推荐题目
Michael       be a policeman, for he is much too short.
#63080
A
needn’t
B
can’t
C
should
D
may
—May I use your computer, Mr WU?   —______.
#74621
A
Yes, you may not
B
No, you may
C
Yes I may
D
No, you may not
 -- Are these _______ all from No. 2 Middle School? -- Yes. They often _________ their free time to help the old here.
#74662
A
volunteers; volunteers
B
volunteer; volunteers
C
volunteers; volunteer
D
volunteer; volunteer