— 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
推荐题目
Mary _______ her mother with the housework, but she didn’t.  
#63072
A
must have helped
B
ought to have helped
C
must help
D
should help
— Oh, my cat is really fat.— You __ have given her so much food.
#63412
A
wouldn't
B
mustn't
C
couldn't
D
shouldn't
—Please don’t tell anybody.—I     . I promise.
#62237
A
can't
B
don’t
C
won’t
D
mustn’t
He ________ to swim when he was five.
#78264
A
can
B
could
C
can be able
D
was able