问题
I failed in the job interview and only then _____ the importance of learning English well.
A:I realized
B:I had realized
C:did I realize
D:had I realized
B:I had realized
C:did I realize
D:had I realized
正确答案是：
同类题型
Have you heard of this new computer brand, Mike—Yes, of course and I’ve decided to buy _____.
Did you eat____ in the morning —Yes, I ate____ .
He was unable to make such progress, __________________.
____ is the population of your city– About seven ____.
s Apple’s attitude toward the matter―Apple does not look into the matter directly, ______