（ ） anything about the accident, he went to work as usual.
（A）Don’t know
（B）Not to know
（C）Not knowing
（D）Not to be knowing
This problem is far from （ ）, so it has to be discussed again at tomorrow’s meeting.
（A）settled
（B）settling
（C）being settled
（D）being settling
Having finished her project, she was invited by the school （ ） to the new students.
（A）speaking
（B）having spoken
（C）to speak
（D）to have spoken
