--Jack, is this your jacket?--No, it _______ be my jacket. My jacket is black but this one is blue.
#74588
A
mustn’t
B
needn’t
C
can’t
D
may not
推荐题目
— What are you going to do this weekend?— I don’t know. I ______ visit a friend.
#63111
A
might
B
can
C
should
D
must
Jack, look! Everybody is doing homework quietly. ________ you make a noise in class?
#62456
A
Could
B
Shall
C
Will
D
Must
---I was told to be here at this time.---Sorry, you ___________. I forgot to tell you we've changed the plan.
#76828
A
must
B
may
C
can't
D
needn't
---Look at the boy running on the playground. Is it David? ---It ______ be him. I saw him go to the teachers’ office just now.
#76689
A
mustn’t
B
can’t
C
couldn’t
D
must