It has been announced that students _______ remain in their seats until all the papers have been collected.
#63427
A
can
B
may
C
will
D
shall
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—Look at the man in the classroom! Is he Mr. White?—No, it __________be him. He’s eating in the dining hall.
#77773
A
can’t
B
mustn’t
C
may not
D
needn’t
–Do we have to talk with Jack about that matter?–Yes, I think we __________.
#74145
A
can
B
may
C
should
D
could
- Someone is knocking at the door. - It ______ be Tom. He is still in the school.
#74686
A
can’t
B
mustn’t
C
couldnot
D
might; not