Answer:
People shouldn't be judged based on the color of their skin.
Explanation:
The main topics of this Harper lee's novel are prejudice and racism. So it would be a good point to star your essay by commenting on this fact.
Answer:
a. on
b. I don't think here a preposition is needed as "This is the key to my room" is a complete sentence.
c. in
d with
Hope it helps!!
Have a nice day:)
