—What do you think we can do for our aged parents?—You ____ do anything except to be with them and be yourself.
#62445
A
oughtn’t to
B
don’t have to
C
mustn’t
D
can’t
推荐题目
Reading in bed isn’t      our eyes. 
#78099
A
good at
B
weak in
C
bad for
D
good for
-May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings.
#78353
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed