---DidJackcomebackearlylastnight?---Yes.Itwasnotyeteighto'clock___

发布时间：2020-08-07 03:58:43

---Did Jack e back early last night?---Yes. It was not yet eight o'clock ________ he arrived home.A.beforeB.whenC.thatD.until

网友回答

B解析it充当形式主语，when引导的句子充当真正的主语．前句中的eight o'clock是很好的暗示性提示，本题是在考查主语从句．
命题立意：本题考查主语从句与时间状语从句的联系与区别．
以上问题属网友观点，不代表本站立场，仅供参考！