问题
选择题
(2013·黑龙江双鸭一中月考)It was several years ________ I realized ________ David had lied to me.
A．when; that
B．that; when
C．before; that
D．until; why
答案
答案：C
C 句意：过了几年我才意识到大卫向我撒了谎。It is/was＋一段时间＋before...表示“过了多长时间才……”；第二空，realized后的从句不缺成分，故用that引导。