---Look. The man at the gate _____ be our headmaster. He is always standing there every morning.---No. it ____ be him. He is having a meeting in the office now.
#78230
A
must; can’t
B
must; mustn’t
C
can’t; can’t
D
can’t; mustn’t
推荐题目
It was playing video games that took the boy too much time that he have spent learning．
#62362
A
could
B
must
C
might
D
ought to
We the difficulty together, but why didn’t you tell me?
#63184
A
need have faced
B
can have faced
C
could have faced
D
must have faced
Haven’t I told you already that you ___ have my answer tomorrow morning?
#63606
A
will
B
shall
C
should
D
would
— 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