With interjections, people usually use exclamation points. Others use dashes but it's not very often.
Ex: Dang it, I forgot to write me name on the bathroom walls!
Ex: He drove- very quickly- to Wing Stop for free wings.
I think its D.infintive ..........hop this helps
Answer:
d let us not wallow in the valley of despair. I say to u today
The morales family were a gracious and generous hosts,and their bright and cheerful home was welcoming