-Is that your best friend Kitty?- No, it _________ be her. She flew to Singapore yesterday.
#75003
A
mustn’t
B
may not
C
needn’t
D
can’t
推荐题目
(2013·安徽高考)It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62392
A
may
B
couldn't
C
should
D
needn't
----Must I finish that work today?----No, you _____. You may finish it in three days.
#74320
A
mustn’t
B
needn’t
C
Shouldn’t
D
couldn’t
You __________be tired—you’ve only been working for an hour.
#62234
A
must not
B
won’t
C
can’t
D
may not