问题补充:
In my opinion, the idea of a family is much narrower than .
A. that used to be
B. it used to
C. it was used to
D. it used to be
答案:
A. that used to be
B. it used to
C. it was used to
(答案→)D. it used to be
解析:句意:依我看来,现在家庭的观念要比过去狭隘。这里是“现在的家庭观念”和“过去的家庭观念”作比较,it used to be表示过去常常,选D。