The prefix in the word inadmissible is -in.
I hope this helps you. ☺
It is chilling, the speculation and wonder about what was really happening is finally realized. Mrs. Schachter had disturbed the train care with what appeared to be ravings from a lunatic about a hellish scenario to come. And finally here it was, the unknown reality, becoming a known and nightmarish hell.
End, to summarize what you are talking about.
It helps to ´Introduce´ the main idea of the paragraph.
I hope this helped
