The choice of a singular or a plural verb comes, not from the object (pants - shirt), but from the one doing the action.
So, we say, "I am [singular] putting on my shirt".
"We are [plural] putting on our shirts".
"He is [singular] putting on his pants".
"They are [plural] putting on their pants".
If yours is the negative side of this topic, then you would want to point up the things about city life that are better than country life. One would be that cities have large hospitals to heal serious illness or terrible injuries. Cities also have larger libraries, concert halls with excellent...
From your list, I would suggest Whitman, Frost and Angelou. Emerson was better known for his essays than for poetry. And Twain for his wit and his politics.