问题
选择题
(2013·湖南，35)Not once________to Michael that he could one day become a top student in his class.
A．occurred it
B．it did occur
C．it occurred
D．did it occur
答案
答案：D
考查倒装。否定词(短语)放于句首，句子要部分倒装，此处即将助动词did放于主语it之前。故答案选D。