They are thankful for the gifts but they don't know what to do with them because the gifts are either invisible or there are no gifts at all.
A. Because you will not be given a complete grade and teachers will consider it cheating and not allow your grade to be continued
This is how quotations are use " hi mom " said the boy.
The answer to the first analogy (mystery:clue :: eraser:) would be letter d. open. Mystery is to clue while eraser is to open. The answer to the second analogy (habit: custom :: extravagant: ) would be letter c. lavish.
