What punctuation mark should go in the underline space to show a long pause

Even the insistent cough of the woman next to him wasn't enough to draw his eyes away from the tiny type of the ancient book its pages were brittle and felt like they could crumble at the slightest disturbance he noticed the musty odor if each page as he carefully it over.

In twelve years a slave, when the passengers on the ship learn robert has smallpox, what is their reaction? “panic-stricken” “indifferent” “relieved” “oppressed”

Read the paragraph. we heard music coming from the auditorium so we crept up to the door in peaked in. i couldn’t believe my eyes! a group of dancers were on stage in the most beautiful costumes i have ever seen. i looked at mabel and she looked back at me with the same expression. our eyes were wide with joy and wonder. which point of view does the narrator use