—Is Jack on duty today? —It_____ be him. It’s his turn tomorrow.
#62168
A
mustn’t
B
won’t
C
can’t
D
needn’t
推荐题目
— Must I finish my homework now, Mum? —No, you _____. You can do it tomorrow.
#74665
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t
---Let's go to the train station by bus.---We______take a bus. It is quite near from here.
#74313
A
can't
B
needn't
C
couldn't
D
mustn't
Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.
#63382
A
can’t have been
B
can’t be
C
mustn’t have been
D
mustn’t be
—Have you decided where to spend your summer holiday?—Not yet. We ___ go to Hong Kong.
#76896
A
may
B
must
C
should
D
need