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---Must I finish doing my homework now, Mum?    ---No, you ________.
#74479
A
can’t
B
may not
C
mustn’t
D
needn’t
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—David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting．
#76087
A
mustn’t
B
can’t
C
needn’t
D
won’t
---Whose is the pencil box?---It _____ be Tom’s. Look at his name on the cover!
#76628
A
can
B
may
C
must
D
need
You _________ to eat snacks in the classroom.
#74907
A
shouldn’t
B
had better not
C
oughtn’t
D
needn’t
This book isn’t mine. ________can it be?
#78297
A
what else
B
who else
C
which else’s
D
who else’s
─ Is the woman in white our manager?  ─ It ________be her. She has just left for Shanghai.
#74491
A
must
B
may
C
can’t
D
couldn’t