Time flied before we know!It is already 12 o'clock.---oh ,really?I____it at all.
问题描述：
Time flied before we know!It is already 12 o'clock.---oh ,really?I____it at all.
A.haven't realized
B.didn't realize
C.hadn't realized
D.don't realize
为什么不是A,
不过那个人是说话时才意识到时间之快呀
答
因为didn't realize表示过去的动作,只是强调当时自己没有意识到,并不强调对现在造成影响,因此选B