--Whendidyourfathercomehomelastnight?  ---Hedidn’tcomeb...

問題詳情：

-- When did your father come home last night?

   --- He didn’t come back ________ twelve o’clock.

   A. while            B. when           C. as             D. until

【回答】

D

知識點：介詞和介詞短語

題型：選擇題