问题

It was not until the entrance exams were in sight that ____ that I had so many books to cover and so many exercises to finish. [ ]

A: I realized
B: did I realize
C: had I realized
D: I had realized

正确答案是：

同类题型

Will you go overseas after graduating from high school —- .

People in Yangzhou __________ walk or ride bikes， but now they____________taking the bus or driving cars .

My God! I’m getting late again，what will my boss say? — Try to keep _______; we will think of an excuse．

People stood around in small huddles,_____ the rain. [ ]

If she ______ well in her exams, she willgo to Beijing University in September.