——DidJackcomebackearlylastnight?——Yes.Itwasnotyeteight...

問題詳情：

 ——Did Jack come back early last night?

——Yes. It was not yet eight o’clock _______ he arrived home.

A. before           B. when           C. that              D. until

【回答】

B

知識點：連詞

題型：選擇題