—Will you stay for some more days? —Sorry, I_____. My mother called to ask me to go back at once. 
#77550
A
mustn’t
B
may not
C
can’t
D
wouldn’t
推荐题目
Li Lei isn’t ____ Liu Ming. 
#77741
A
tall as
B
as taller as
C
as tall as
D
as the taller as
Teenagers _______ allowed to drive in the street.
#74366
A
should not be
B
should be not
C
not should be
D
shouldn’t
You _____ in your composition today. You can hand it in tomorrow morning.
#75867
A
need to hand
B
needn’t to hand
C
needn’t hand
D
don’t need hand