-Listen! Is Mary playing the piano in the room? --No. It ________ be Mary. She has gone to Hong Kong.
#77454
A
may not
B
needn’t
C
can’t
D
mustn’t
推荐题目
(2013·成都一诊)Parents are doing all they ________ to help their children achieve their ambitions.
#62430
A
shall
B
can
C
may
D
need
Tigers like to eat _____________, but koalas like to eat____________.
#77202
A
meat , leaf
B
meats , leaf
C
meat , leaves
D
meats, leaves
-- Why didn’t you go to Mike’s birthday party yesterday?-- Well, I _____, but I forgot it.
#62960
A
should
B
would
C
should have
D
must have
—The traffic is heavy now, so Mike come late.—Let’s wait ten more minutes.
#63276
A
can
B
need
C
may
D
shall