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.
Answer:
An expression designed to call something to mind without mentioning it explicitly, an indirect or passing reference.
Explanation:
Example: An allusion to Shakespeare.
Answer:
As a result and similarly
Answer:
To manage time wisely, this way they are confident while they teach which helps the child as well as the teacher.