问题
选择题
—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
A
don’t have to意为“不必”。句意是：你不必做什么，只需陪陪他们，真诚地对待他们。
