-- Look at that girl. Is it Susan?--No, it _______ be her. She has gone back to her home town .
#76266
A
can't
B
mustn't
C
needn't
D
may not.
推荐题目
--It is really fun to hike and I often go hiking in the forest.--But hiking alone in the forest ______ be very dangerous.
#63596
A
can
B
must
C
shall
D
will
I'm going to Europe on vacation together with John if I ________ find the money.(2012·全国Ⅱ)
#62442
A
can
B
might
C
would
D
need
