问题补充:
-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
答案:
(答案→)A. don’t have to
B. oughtn’t to
C. mustn’t
D. can’t
解析:词义辨析。don’t have to不必;oughtn’t to不应该;mustn’t禁止,不许;can’t不能。你认为我们能为我们年迈的父母作什么?除了陪伴他们你不必做任何事。所以选A。