—Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting.
#74311
A
can’t
B
may not
C
mustn’t
D
needn’t
推荐题目
---Will you read me a story, Mummy? --- OK. You_______have one if you go to bed as soon as possible.
#63399
A
might
B
must
C
could
D
shall
_______ you tell me how I_______ get to the No．168 Middle School?
#74566
A
Do；can
B
Can；could
C
Could；can
D
Could；could
—Dad，can I go to the movies tonight?--Sure，but you__come back home before 9 o’clock.
#76861
A
can
B
must
C
may
D
might
— Mum, would you please buy me an MP5 player? — If you can help do some housework the whole vacation，you _______ have one as a reward.
#63558
A
should
B
need
C
would
D
shall
—By local farmers, we hope them improve their lives.—I think it’s a good idea.
#75501
A
train; help
B
training; helping
C
training; to help
D
train; helping