A-A+

I failed in the final examination last term an

2022-08-06 23:15:51 问答库 阅读 181 次

问题详情

I failed in the final examination last term and only then ______ the importance of studies.
A.I realized
B.I had realized
C.had I realized
D.did I realize请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:D
解析:only位于句首时,谓语动词部分倒置。

考点: