Answer:
Selfridge ran a tight ship as a boss. He would send his staff notes for improvements every morning. And if he found any dust he would write his initials on it.
C, Minerva disguises him as an old beggar. The idea is that he wants to go unrecognized when he returns home to his people. You can figure that he's an old beggar based on phrases like "a man of miseries" and "uncouth".
However, if you have trouble reading older texts, websites like Sparknotes and Shmoop are great for getting summaries.
This is a complex sentence which consists of a dependent or subordinate clause and an independent clause.
'If you finish your yard work' -- dependent clause
'you can take the car to the movie' -- independent clause.
The rhythm of the excerpt supports the theme of the poem, because the rhythm is consistent, and Poe celebrates the simplicity of young love.
And here is why I think so...
At this point in the poem, we still don't see anything bad that is about to happen. He is just talking about a young woman whose only care in the world is to love the narrator, and be loved by him. Later on in the poem we will see why that is impossible, but here, there is still no word about that.
I hoped this helped! :)