高考英语单选John was so excited that night that it was a long time__________ he went to sleep.
问题描述：
高考英语单选John was so excited that night that it was a long time__________ he went to sleep.
1．John was so excited that night that it was a long time__________ he went to sleep.
A.before B.whenC.until D.after
选什么 为什么?
答
Johnwassoexcitedthat night那天晚上约翰很激动that it was a long time before he went to sleep.以至于激动了老半天才安稳入睡
选A. before 意为在（入睡）以前B when为什么不行when 当…时候 （指某一时刻，时间点）
it was a long timebeforehe went to sleep（而这说的是睡之前的一段时间睡不着觉）