ответте на вопросы ! which sportsperson do you most admire? why? 2. what sport do they do? is it an olympic sport? how popular is it around the world?

I admire the American tennis player most. Her name is Serena Williams. She is very good at playing tennis and one day I want to learn to play tennis like she does. 
Tennis is an Olympic sport. People all over the world, especially in Europe and America enjoy playing tennis very much.