Answer:
Who:Who are you?
What:What is an earthquake?
Which:Which side won?
That:He spoke so well that everybody was pleased.
Whom:She saw a lady whom she presumed worked at the store, and she asked her a question.
Whomever:Harry should give the award to whomever he thinks deserves it.
Whoever:Whoever he was, he was as strong as a lion.
