问题描述：
_____ anything about the accident, he went to work as well. （得分：1分） A) Knowing not B) Not know
_____ anything about the accident, he went to work as well. （得分：1分）
A) Knowing not B) Not knowing C) Know not D) Not know
_____ anything about the accident, he went to work as well. （得分：1分）
A) Knowing not B) Not knowing C) Know not D) Not know
问题解答：
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