Answer:
It would be easy to assume that the stirring words of Martin Luther King Jr.'s “I Have a Dream” speech affected Americans most of all. His goading of a nation to live up to the democratic principles of its founders was a sharp display of America's private grief.
Explanation:
The sentence that uses a verb that agrees with its subject is D. Here are some new stamps from the post office.
Subject - Stamps (plural) Verb - are (plural)
A) Subject - Buildings(plural) Verb used - hides (singular) should be: hide (plural)
B) Subject - Minerals (plural) Verb used - is (singular) should be: are (plural)
C) Subject - Athlete (singular) Verb used - sit (plural) should be: sits (singular)
Your answer would be B. Willie felt dull on Wednesday, gloomy on Thursday, and mournful on Friday.
Please correct me if I'm wrong!! I'd be happy to fix it!!