that he made an obvious mistake,Jeff went on with his speech.
A. Not realized
B. Not realizing
C. Not to realize
D. Not to have realized
网友回答
A. Not realized
(答案→)B. Not realizing
C. Not to realize
D. Not to have realized
解析:考查分词,名词he和动词realize是主谓关系,所以用现在分词做状语,句子意思“没有意识到他明显的错误,杰夫继续他的演讲”