52单词网 > 高中英语 > 高中英语题库 > I failed in the last exam and only then the importance of studies. [ ] A. I real

I failed in the last exam and only then the importance of studies. [ ] A. I real

来源:网络 时间:
I failed in the last exam and only then the importance of studies. [ ] A. I real

I failed in the last exam and only then _________ the importance of studies.

[]A.

I realized

B.

I had realized

C.

had I realized

D.

did I realize

试题答案

答案:D