Answer:
Their purpose to help us answer the following questions, as well as helping us interpret and understand literary works:
1. What do we read?
2. Why do we read?
3.How do we read?
Explanation:
I think the question is wrong. Sorry if I am wrong!
But It should have been "You cannot get a refund ________ sale goods."
In this case the answer should have been ON.
Anyway the answer is ON.
They don't want people praising Ceasar
1.4.4.5.7.8.8.8,,6,3,,,1,2,3,3,5,67,8,