—What do you think we can do for our aged parents？
—You do anything except that you visit them as often as possible.
A. don’t have to B. oughtn’t to
C. mustn’t D. shouldn’t
—What do you think we can do for our aged parents？
—You do anything except that you visit them as often as possible.
A. don’t have to B. oughtn’t to
C. mustn’t D. shouldn’t
A
考查情态动词。根据题干意思所填词意思是：不必，选A。