―What do you think we can do for our aged parents?
―You do anything except to be with them and be yourself.
A.don’t have to B.oughtn’t to C.mustn’t D.can’t
―What do you think we can do for our aged parents?
―You do anything except to be with them and be yourself.
A.don’t have to B.oughtn’t to C.mustn’t D.can’t