高等继续教育 / 旅游英语
正确率：100%
题型描述: 单选题
—What do you think we can do for our aged parents? —You _ _ _ _ _ _ do anything except to be with them and be yourself.
A.can't
B.oughtn't to
C.mustn't
D.don't have to
—What do you think we can do for our aged parents? —You _ _ _ _ _ _ do anything except to be with them and be yourself.
A.can't
B.oughtn't to
C.mustn't
D.don't have to
参考答案：