问题描述：
We have not been to the Great Wall for ages.No ,I don not remember how many years ago____I last
visited it.
A it was that
B was it that
C It was when
D was it when 答案选C ,为什么
,但是我觉得应该用when啊?
visited it.
A it was that
B was it that
C It was when
D was it when 答案选C ,为什么
,但是我觉得应该用when啊?
问题解答：
我来补答展开全文阅读