________that he made an obvious mistake，Jeff went on with his speech.A．Not reali

题干

________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

上一题下一题 0.64难度单项选择更新时间:2013-03-03 07:03:10

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