-Was the United State of America founded on July 4th, 1776？ --You _________ be right but I need to check it in the history textbook anyway.
#62356
A
have to
B
must
C
may
D
will
推荐题目
—Mary broke up with me!—You_ _have forgotten about the Valentine's Day．
#63101
A
shouldn't
B
couldn't
C
needn't
D
mustn't
---I didn’t go to work today. ----You _____; it’s Sunday today.
#63665
A
mustn’t have
B
didn’t need to
C
can’t have
D
needn’t have
According to the school rules, no student __________ go out of the school after eleven o’clock at night without the teacher’s permission.
#63033
A
will
B
must
C
may
D
shall
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