问题
Only when the final examination was coming ________ he had quite a lot to do.[ ]
A: he realized
B: he had realized
C: did he realize
D: had he realized
B: he had realized
C: did he realize
D: had he realized
正确答案是：
同类题型
Some amazing people _______ our world for the better in the past 100 years
She is a strong-willed woman and not once _______ in to any difficulty in her life.
What’s this in English It’s a_______.
The water lever has risen ________10 cm and up to 100cm in the last days.
I have _____rules in my home.We have_____homework to do today.