—What do you think we can do for our aged parents？—Youdo anything except that you visit th

问题补充：

—What do you think we can do for our aged parents？

—Youdo 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

答案：

(答案→)A. don’t have to

B. oughtn’t to

C. mustn’t

D. shouldn’t

解析：考查情态动词。根据题干意思所填词意思是：不必，选A。