---Is the girl in the red skirt your sister?---No. It _______ be her. She has flown to Australia.
#75610
A
can’t
B
needn’t
C
must
D
may
推荐题目
(2013·长沙二模)—The research on the new flu virus vaccine is challenging and demanding.Who do you think can do the job?—________ my students have a try?
#62416
A
May
B
Must
C
Will
D
Shall
My uncle _________ drive a car two years ago. Now he drives very well.
#78292
A
couldn’t
B
can’t
C
mustn’t
D
shouldn’t
They urge the local government that the problem ________ as soon as possible.
#62909
A
handles
B
could be handled
C
must be handled
D
be handled