1. The answer is D: authenticity.
Bede's reputation of loving the truth and careful evidence investigator leaves no doubt that he would use his efforts to research and would never be satisfied until he finds the anecdotes' authenticity.<em> (The quality of being real or true.)</em>
2. The answer is B: witnesses. people that see an event happening. For example: <em>She was witness to the tragic event</em>.
The correct order of each word in the blank spaces would be: option C.
"There is more than one way to see if they're in their proper spaces."
<em>'There'</em> is an adverb of place or position, '<em>they're'</em> is a contraction of they are (which refers to two or more people), and '<em>their'</em> is the possesive case of the pronoun they.