Can you imagine how late I went to bed last night？It was nearly 1 a．m.______ I finished my article.
A.that
B.when
C.before
D.as
网友回答
B解析此题考查状语从句。句意：你能想象昨晚我睡觉时是多晚吗？我写完文章的时候已快到凌晨一点了。此题考查了固定句式：It is/was＋具体时间点＋ when从句；before用于It will be/was＋一段时间＋before从句；that用于强调结构It is/was ＋时间状语＋that...。