---The man in a black suit _______ be our youth worker.---It _______ be him. I saw him in the classroom building some minutes ago.
#76118
A
can; could
B
must; can’t
C
can; mustn’t
D
must; won’t
推荐题目
Personally, the job as a teacher _____ be challenging, for I sometimes _____ deal with some smarter but less diligent students.
#62557
A
can; have to
B
may; can
C
has to; may
D
ought to; must
—— Where is your father? —— He has gone to the supermarket. He __________ at home.
#74996
A
must be
B
mustn’t be
C
can be
D
can’t be
-May we leave the classroom now?-No, you _______. You _______ to leave until the bell rings.
#74240
A
can't; are allowed
B
mustn't; aren't allowed
C
needn't; are allowed
D
needn't; aren't allowed