What we were once taught as common courtesies, saying “” and “ you,” are becoming less common. a. thus b. before c. first d. such as

I think the answer is D. What we were once taught as common courtesies, such as saying "please" and "thank you", are becoming less common.

hope this helps!

the answer is somber

- "the die is cast; i have consented to return if we are not destroyed. thus are my hopes blasted by cowardice and indecision; i come back ignorant and disappointed. it requires more philosophy than i possess to bear this injustice with patience. i have lost my hopes of utility and glory; i have lost my friend."