-Must I do my homework now?     -No, you _    _. You may have a rest.
#74204
A
mustn't
B
needn't
C
can't
D
wouldn't
推荐题目
It’s already half past seven. You ________ get up quickly.
#75797
A
could
B
should
C
won’t
D
needn’t
— Who’s singing in the next room? — It ______ be Mary. She ______ New York. 
#75016
A
mustn’t, is in
B
must, has gone to
C
could, has been in
D
can’t, has gone to
Mr Black   be at home because she called me from England just now.
#76189
A
mustn't
B
isn't able to
C
can't
D
may not
– Must I get up early tomorrow morning? – No, _________.
#77530
A
you mustn’t
B
I don’t think you have to
C
you can’t
D
you need