input question: Write a multi-choice question for the following article: Article: Large population has caused many problems. For example, the traffic is very heavy in some big cities. During the last ten years, big cities like Beijing and Harbin were full of cars and buses. Now the streets are completely crowded and it's very difficult to drive a car along them. Drivers must stop at hundreds of traffic lights. What are our cities going to be like in the future? How can we solve the problem? There are some good ideas to reduce the use of private cars. In 1971, the officer in Rome began an interesting experiment: Passengers on the city buses didn't pay for their tickets. In Stockholm there was another experiment: People paid very little for a season ticket to travel on any bus, trolley bus and train all over the city. In many cities now some streets are closed to vehicles and _ are safe there. In London there is another experiment: Part of the streets is for buses only. So the buses can travel fast. There are no cars or taxis in front of them. , .???
output answer: Question: The city of _ experimented on a very cheap bus service.Options:A ParisB StockholmC LondonD None of the aboveAnswer:B

input question: Write a multi-choice question for the following article: Article: One day, my wife and I went shopping. We took the car as we had a lot of things to buy because my brother and his family were going to spend the weekend with us. We stopped the car in front of the shop. An hour later we came back to the car with a lot of things. Then the trouble started. We could not open the car door. "Oh, dear," said my wife. "What are we going to do?" "Let's ask that policeman," I said. The policeman was very kind and glad to help us. Soon he got the door open. Just at that moment an angry man came up and shouted. "What are you doing with my car?" We looked at the number of the car, and our faces turned very red.???
output answer: Question: The _ opened the car door in the end.Options:A husbandB wifeC policemanD owner of the carAnswer:C

input question: Write a multi-choice question for the following article: Article: A group of swans flew down to a beach where a crow was jumping around. The crow watched them with disdain . "You have no flying skills at all!" he said to the swans. "All you can do is to move your wings. Can you turn over in the air? No, that's beyond you. Let's have a flying competition. I'll show you what real flying is!" One of the swans, a strong young male, took up the challenge. The crow flew up and began to show his skills. He flew in circles, performed other flying tricks, and then came down and looked proudly at the swan. Now it was the swan's turn. He flew up, and began flying over the sea. The crow flew after him, making all kinds of comments about his flying. They flew on and on till they couldn't see the land and there was nothing but water on all sides. The crow was making fewer and fewer comments. He was now so _ that he found it hard to stay in the air, and had to struggle to keep himself from falling into the water. The swan pretended not to notice, and said, "Why do you keep touching the water, brother? Is that another trick?" "No," said the crow. He knew he had lost the competition. "I'm in trouble because of my pride! If you don't help me, I'll lose my life..." The swan took pity on him, and took him on his shoulders and flew back to the beach.???
output answer: Question: What can we infer from the passage?Options:A The crow didn't know flying.B Flying skills were useless.C The swan saved the crow because they were good friends.D The swan was better at long-distance flying than the crow.Answer:D

input question: Write a multi-choice question for the following article: Article: Mr. Li worked in a post office in Weihai. Last month he retired. His son works in America. Five years ago Mrs. Li went to America to look after their grandson. So Mr. Li decided to see them. Mr. Li was afraid of taking the plane so he decided to go to America by ship. On the first morning on the ship, Mr. Li met an American. The man said to him, "Good morning!" Mr. Li thought the man told him his name. So he said to him, "Li Haitao." On the second morning, Mr. Li met his son's friend on the ship. He told him about the American. After hearing that, his son's friend laughed and said, "He said hello to you in the morning." On the third morning when Mr. Li met the American again, he said, "Good morning!" And the American said to him, "Li Haitao, sir."???
output answer:
Question: What did the American think "Li Haitao" means?Options:A How are you ?B Good morning.C Thank you.D What's your name?Answer:B