Only when he got on the train _________ that he had left his mobile phone at home． A．he realized B．h...
2023-01-23 00:02:55 54次 2013届山东省高二上学期模块考试英语题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Only when he got on the train
_________ that he had left his mobile phone at home．
A．he realized B．he had realized C．had he realized D．did he realize
本题链接：
