what is the most popular indoor sport in the USA

what is the most popular indoor sport in the USA what is the most popular food in the USA what is the most popular sport in china?can you play it the 翻译;what is the most popular sport in the U.S. ———is the most popular sport in china. What are the three most popular sports in the USA?What does 英语翻译Football is the most popular sport in the fall in the Un The most popular food is (handurger) in the USA.（对括号处提问） Football,I think,is the most popular sport in the world toda 43.________ is the most popular sport in Britain in summer. 1.In China,what is the most popular transportation? What is the most popular entertainment in ancient Greece Spa