A、’I hey could get into the fair for ten cents per person. B、They could get into the fair with a single ticket. C、Indiana people

Almost all states in America have a state fair. They last for one, two or three weeks.(19)The Indiana state lair is one of the largest and oldest state lairs in the United States. It is held every summer.
    It stalled in 1852. Its goals were to educate, share ideas and present Indiana’s best products.(20)The cost of a single ticket to enter the lair was 20 cents. During the early 1930s, officials of the fair ruled that people could attend by paying something other than money. For example, farmers brought a bag of grain in exchange for a ticket. With the passage of time, the fair has grown and changed a lot. But it is still one of the Indiana’s celebrated events. People from all over Indiana and from many other states attend the fair. They can do many things at the fair.(21)They can watch the judging of the priced cows, pigs and other animals. They can see sheep getting their wool cut and they can learn how that wool is made into clothing. They can watch cows giving birth. In fact, people can learn about animals they would never see except other fair. The fair provides the chance for the farming community to show its skills and fun products. For example, visitors might see the world’s largest apple or the tallest sunflower plant.
Questions 19 to 21 are based on the passage you have just heard.
19. What did the speaker say about Indiana state fair?
20. How could people get into the lair when it was started ?
21. What will visitors of Indiana fair see?