-- Look at that girl. Is it Susan?--No, it _______ be her. She has gone back to her home town .
#76266
A
can't
B
mustn't
C
needn't
D
may not.
推荐题目
 — Can we leave the classroom now?— No, you ______. You ______ to leave until the bell rings.
#74363
A
mustn’t, are allowed
B
don’t have to, are allowed
C
needn’t, aren’t allowed
D
can’t, aren’t allowed
My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63077
A
shouldn’t have attended
B
couldn’t have attended
C
mustn’t have attended
D
needn’t have attended