问题

Only when you told me about it ________ what a silly thing I had done.
A:I realized
B:did I realize
C:I did realize
D:did I realized
B:did I realize
C:I did realize
D:did I realized
正确答案是:
同类题型
Health is very important to us. We should eat more vegetables and fruit ____ too much rich food.[ ]
Tom, ________we go home together this afternoon ?–- Ok !
Excuse me, would you please speak a little more_______? -Sorry, I thought you could follow me.
David is clever and quick at work,he is honoured with the title of model worker.