高等继续教育 / 统考英语B
正确率：统考%
题型描述: 单选题
A. I did know
B. that I knew
C. did I know
D. 1 could know
Only after I read the text over again ＿＿＿＿＿ its main idea.
A. I did know
B. that I knew
C. did I know
D. 1 could know
参考答案：