问题
选择题
We _____ walk in the moonlight, taking about _____ we were interested in.
A．used to, all what
B．were used to, all what
C．used to, all that
D．were used to, what
答案
答案：C
考查固定用法和定语从句。句意“我们过去常常在月光下散步，谈论我们感兴趣的事情。”used to do sth.“过去常常做某事”；all看作是先行词，先行词是不定代词时，引导词用that，all that相当于what。故选C。