In the old days, some wealthy people killed animals just for the ______ of it.

The young violinist is very excited because the concert given by him has never been _____.

I am very ____________ about expressing my opinions in public in case I may make mistakes.

An advertisement provides information and uses ________ language and exciting images to encourage people to buy a product.

--- I hear Andy and Lily are going to have a party to celebrate their ten years of ____ . --- Really? They have ____ for ten years?