I think that the literary device used in the title of Oscar Wilde´s play is Pun.
A pun is a play on words that produces a humorous effect by using words that suggest two or more meanigns or by exploiting similiar sounding words with different meanings.
In the title "The Importance of Being Earnest" there is a pun in the word Earnest because it is a synonim of honest and sincere and sounds like Ernest, the firstly false name that the principal character, Jack used to have another life far away of his obligations.
I hope that this answer help you. Greetings.
I suggest describing both in the begining of your speech. give examples for each. then end your speech with your own point of view. answer questions from your classmates. hope this helps, and good luck..

Mickey Shea was drunk and hurting Eddie's mother. His father's initial reaction was to kill Mickey; however, when Mickey fell into the ocean Eddie's father jumped in after him and saved his life. It was because of this night that Eddie's father caught the pneumonia that later killed him.
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Answer:
D. Context clues
Explanation:
Context clues are hints or clues in literature that help the reader unerstand what certain words mean.