—Look at that girl! Is it Susan?—No, it _______ be her. She has gone back to her hometown.
#77503
A
mustn’t
B
can’t
C
needn’t
D
wouldn’t
推荐题目
—Look! It________be the new woman manager. —It________be her.She has just left for Shanghai. 
#74701
A
can;mustn’t
B
must;can’t
C
must;mustn’t
D
can’t;must
Reading in bed isn’t      our eyes. 
#78099
A
good at
B
weak in
C
bad for
D
good for
David, you _____play with the valuable bottle; you_______ break it.
#62983
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t